Physics
Which statement about sound waves is incorrect?
- Sound waves can be reflected, refracted and transmitted.
- High pitch sound waves have a high frequency.
- Quiet sound waves have a large amplitude.
- Sound waves are longitudinal waves.
Sound
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Answer
Quiet sound waves have a large amplitude.
Reason — Quiet (soft) sounds have small amplitude, not large since large amplitude corresponds to loud sounds.
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Related Questions
The voice of a woman is of …………… pitch than that of a man.
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- number of subsidiary notes
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- both (1) and (2)
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Assertion (A): When we start filling an empty pitcher with water, the pitch of the sound produced goes on decreasing.
Reason (R): The pitch of sound increases with increase in frequency.
- Both A and R are true and R is the correct explanation of A.
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(a) Which of the following quantity determines the loudness of a sound wave?
(i) wavelength,
(ii) frequency, and
(iii) amplitude.
(b) How is loudness related to the quantity mentioned in the above part (a)