1) Assertion-When any objects vibrates that time it produces sound.
Reason-Vibration means a kind of rapid to and from motion of an object.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
2) Assertion-When any objects vibrates that time it produces sound.
Reason-vibration is the process in which two objects strikes on each other.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans-Assertion and Reason are correct, and reason is the correct explanation for assertion.
3) Assertion-When any objects vibrates that time it produces sound.
Reason- vibrations of vocal cords creates sound
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans – Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
4) Assertion-vibrations of vocal cords creates sound
Reason-When any objects vibrates that time it produces sound.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans-Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
5) Assertion-When any objects vibrates that time it produces sound.
Reason- vibrations Of vocal cords leads painting in the throat.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans– Assertion is true but Reason is false.
6) Assertion-When any objects vibrates that time it produces acceleration.
Reason- vibrations Of vocal cords leads painting in the throat.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are false.
7) Assertion-stretched rubber bands always produces sound.
Reason-when we releases stretch rubber bands it get vibrates, results produces sound.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are correct, and reason is the correct explanation for assertion.
8) Assertion-stretched rubber bands always produces sound.
Reason- when we releases stretched rubber bands it get cut into two half’s.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion is true but Reason is false.
9) Assertion-Stretched rubber bands always produces sound.
Reason- vibrations create sound.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
10) Assertion-Steady rubber bands always produces sound.
Reason- when we releases stretched rubber bands it get cut into two half’s.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are false.
11) Assertion-when we releases stretched rubber bands it get cut into two half’s.
Reason- Steady rubber bands always produces sound.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are false.
12) Assertion-The matter or substances through which sound is transmitted is called medium.
Reason- the particles which present in the medium takes part to make sound wave by vibrating each other.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are correct, and reason is the correct explanation for assertion.
13) Assertion-The matter or substances through which sound is transmitted is called medium.
Reason-Solid, liquid, gas the medium through which sound get passed.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
14) Assertion-The matter or substances through which sound is transmitted is called medium.
Reason-Vacuum is the only medium through which sound get creates.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion is true but Reason is false.
15) Assertion-The matter or substances through which velocity is transmitted is called medium.
Reason- Vacuum is the only medium through which sound get creates.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are false.
16) Assertion-Vacuum is the only medium through which sound get creates.
Reason-The matter or substances through which velocity is transmitted is called medium.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans-Assertion and Reason are false.
17) Assertion- A wave is disturbance that moves through a medium when particles of the medium get neighbouring particles into motion.
Reason- Solid, liquid, gas the medium through which sound get passed.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are correct, and reason is the correct explanation for assertion.
18) Assertion- A wave is disturbance that moves through a medium when particles of the medium get neighbouring particles into motion.
Reason-The particles of medium move forward themselves with the help of hydrogen bonding.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion is true but Reason is false.
19) Assertion- A wave is disturbance that moves through a medium when particles of the medium get neighbouring particles into motion.
Reason-The particles of medium move forward themselves with the help of wander wall force.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans-Assertion is true but Reason is false.
20) Assertion-sound waves are characterized by the motion of particles in the medium which we generally called mechanical wave.
Reason-A wave is disturbance that moves through a medium when particles of the medium get neighbouring particles into motion.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
21) Assertion- Sound waves are characterized by the motion of particles in the medium which we generally called mechanical wave.
Reason- Mechanical waves is the strongest wave through which sound get produces.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion is true but Reason is false.
22) Assertion-Bell do not produces sound inside the vaccum.
Reason- sound is produces only in air, water, and solid medium not in vaccum.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans-
23) Assertion-Bell do not produces sound inside the vaccum.
Reason-Sound is generated by the process of vibration.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
24) Assertion-Bell do not produces sound inside the vaccum.
Reason-Sound is generated due to acceleration process.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are false.
25) Assertion-sound is produces only in air, water, and solid medium not in vaccum.
Reason-Bell do not produces sound inside the vaccum.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
26) Assertion—Bell do not produces sound inside the vaccum.
Reason -Sound is generated due to acceleration process.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion is true but Reason is false.
27) Assertion-Amplitude is represented by the letter A.
Reason- disturbance in the medium on another side of the mean value is called amplitude of the wave.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
28) Assertion- if we strikes by any object to a table we can easily hear a sound.
Reason- disturbance in the medium on another side of the mean value is called amplitude of the wave.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans-Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
29) Assertion-if we strikes by any object to a table we can easily hear a sound.
Reason-Amplitude is depends on force which we exert on object.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
30) Assertion-if we strikes by any object to a table we can easily hear a sound.
Reason- Amplitude is depend on the object through which we get sound.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion is true but Reason is false.
31) Assertion- if we strikes by any object to a table we can easily hear a sound.
Reason- Due to the less force exert on table, it can produces sound wave of less amplitude.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are correct, and reason is the correct explanation for assertion.
32) Assertion-loudspeaker sound can travel large distance.
Reason-Sound of loudspeaker have very high energy hence it travels large distance.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are correct, and reason is the correct explanation for assertion.
33) Assertion-loudspeaker sound can travel large distance.
Reason-Sound of loudspeaker is generally placed in open space hence that sound travels large distance.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion is true but Reason is false.
34) Assertion- loudspeaker sound can travel large distance.
Reason- loudspeaker has special function through which it generates sound.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion is true but Reason is false.
35) Assertion-‘ Loudness ‘ and intensity are not the same
Term.
Reason- ‘ Loudness ‘ is measure of response of ear to the sound.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans-Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
36) Assertion-‘ Loudness ‘ and intensity are the same terms.
Reason- ‘ Loudness ‘ is measure of response of ear to the sound.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans-Assertion and Reason are false.
37) Assertion-‘ Loudness ‘ is measure of response of ear to the sound.
Reason- ‘ Loudness ‘ and intensity are the same terms.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are false.
38) Assertion-‘Loudness ‘ and intensity are not the same
Term.
Reason-Intensity is measure of the response of ear to the sound.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans-Assertion is true but Reason is false.
39) Assertion-travelling period of sound is more in water as compare to the ice.
Reason- generation of sound and travelling Of sound needs medium.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
40) Assertion-travelling period of sound is more in water as compare to the ice.
Reason- The speed of sound increases when we go from solid to gaseous state.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans-Assertion is true but Reason is false.
41) Assertion-travelling period of sound is more in water as compare to the ice
Reason- The speed of sound decreases when we go from solid to gaseous state.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
42) Assertion-The auditoriums are generally covered with sound-absorbent materials like compressed fiber board, rough plaster
Reason-In an auditorium, excessive reverberation is highly undesirable hence to reduce reverberation. We use sound-absorbent material on roof.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are correct, and reason is the correct explanation for assertion.
43) Assertion-The auditoriums are generally covered with sound-absorbent materials like compressed fiber board, rough plaster
Reason- sound absorbent material absorbs sound from outer environment of the auditorium.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion is true but Reason is false.
44) Assertion-In an auditorium, excessive reverberation is highly undesirable hence to reduce reverberation. We use sound-absorbent material on roof.
Reason-The speed of sound increases when we go from solid to gaseous state.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
45) Assertion-Stethoscope is medical instrument used for listening to sound produced within body.
Reason- In stethoscopes the sound of patients heartbeat reaches the doctors ears by multiple reflection of sound.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans-Assertion and Reason are correct, and reason is the correct explanation for assertion.
46) Assertion-Stethoscope is medical instrument used for listening to sound produced within body.
Reason- the matter or substance through which sound is transmitted is called medium.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans-Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
47) Assertion -Stethoscope is medical instrument used for listening to sound produced within body.
Reason-Stethoscope is the instrument which shows us intestinal movement.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans-Assertion is true but Reason is false.
48) Assertion-Stethoscope is medical instrument used for listening to sound produced within body.
Reason-Stethoscope is the instrument which shows us brain beating.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion is true but Reason is false.
49) Assertion-it is observed that some animals get disturbed before earthquakes.
Reason- Earthquakes produces low frequency infrasound before the main shock waves begins which possibly alert the animals.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion and Reason are correct, and reason is the correct explanation for assertion.
50) Assertion-it is observed that some animals get disturbed before earthquakes.
Reason- Animals feel vibrations before earthquake get happens.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion is true but Reason is false.
51) Assertion-it is observed that some animals get disturbed before earthquakes.
Reason- Animals are born with 7sense from which they detects earthquake.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion is true but Reason is false.
52) Assertion-it is observed that some animals get disturbed before gun shot.
Reason- Animals are born with 7 sense from which they detects earthquake.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans-Assertion and Reason are false.
53) Assertion -Moths are easily detects bats hence they easily escape form them.
Reason- bats produces ultrasound Which easily detected by moths hence they sense that bats are nearby
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans-Assertion and Reason are correct, and reason is the correct explanation for assertion.
54) Assertion-Moths are easily detects bats hence they easily escape form them.
Reason- bats produces Infrasound which easily detected by moths hence they senses that bats are nearby.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans- Assertion is true but Reason is false.
55) Assertion-Moths are easily detects bats hence they easily escape form them.
Reason- Bats produces some poisonous Chemicals which is very harmful for moths.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans-Assertion is true but Reason is false.
56) Assertion-Bats produces some poisonous Chemicals which is very harmful for moths.
Reason- Animals are born with 7 sense from which they detects earthquake.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans-Assertion and Reason are false.
57) Assertion- Animals are born with 7 sense from which they detects earthquake.
Reason- Bats produces some poisonous Chemicals which is very harmful for moths.
a) Assertion and Reason are correct, and reason is the correct explanation for assertion.
b) Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.
c) Assertion is true but Reason is false.
d) Assertion and Reason are false.
Ans-Assertion and Reason are false.
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