Given below are two statements: 
Assertion (A): Sound would travel faster on a hot summer day than on a cold winter day.
Reason (R): Velocity of sound is directly proportional to the square root of its absolute temperature.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) is false but (R) is true.
Subtopic:  Speed of Sound |
 74%
From NCERT
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Given below are two statements: 
Assertion (A): Where two vibrating tuning forks having frequencies 256 Hz and 512 Hz are held near each other, beats cannot be heard.
Reason (R): The principle of superposition is valid only if the frequencies of the oscillators are nearly equal.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.


 
Subtopic:  Beats |
From NCERT
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Given below are two statements: 
Assertion (A): Beats can also be observed by two light sources as in sound.
Reason (R): Light sources have constant phase difference.
  
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

 
Subtopic:  Beats |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Given below are two statements: 
Assertion (A): In the case of a stationary wave, a person hears a loud sound at the nodes as compared to the antinodes.
Reason (R): In a stationary wave, all the particles of the medium vibrate in phase.
  
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Standing Waves |
From NCERT
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Given below are two statements: 
Assertion (A): The flash of lightning is seen before the sound of thunder is heard.
Reason (R): Speed of sound is greater than speed of light.
  
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Speed of Sound |
 82%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Given below are two statements: 
Assertion (A): Our ears distinguish two notes, one produced by a violin and other by guitar, if they have exactly same intensity and same frequency.
Reason (R): When a musical instrument is played, it produces a fundamental note which is accompanied by a number of overtones called harmonics.
  
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Standing Waves |
 54%
From NCERT
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Given below are two statements: 
Assertion (A): In a stationary wave there is no transfer of energy.
Reason (R): The distance between two consecutive nodes or antinodes is \(\begin{aligned}\frac{\lambda}{\sqrt{2}} \end{aligned}\).
  
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Standing Waves |
 70%
From NCERT
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Given below are two statements: 
Assertion (A): Quality of sound depends on the number and frequency of overtones produced.
Reason (R): Pitch of the sound depends on the frequency of the source.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

 
Subtopic:  Wave Motion |
 68%
From NCERT
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Given below are two statements: 
Assertion (A): In a progressive wave motion, particle velocity is constant at all times.
Reason (R): During the propagation of sound, the density of the medium is uniform throughout.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Wave Motion |
 51%
From NCERT
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A pipe, 30.0 cm long, is open at both ends.

(i) Which harmonic mode of the pipe resonates a 1.1 kHz source?

(ii) Will resonance with the same source be observed if one end of the pipe is closed?

Take the speed of sound in air as 330 m s–1.

(i) (ii)
1. First No
2. Second No
3. First Yes
4. Second Yes 

Subtopic:  Standing Waves |
 66%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh