Physics
Sound persists in human ear for about :
- 1 min
- 30 sec
- 25 sec
- 0.1 sec
Sound
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Answer
0.1 sec
Reason — Sound persists in the human ear for about 0.1 second due to a phenomenon called persistence of hearing.
This means that even after the sound source stops vibrating, the sensation of sound continues in the ear for a short duration.
This property helps in the continuity of sound, such as in speech and music, preventing abrupt breaks between successive sounds.
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…………… is called the voice box of humans.
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Assertion (A): For echo, sound should travel a minimum distance of atleast 33 m in air.
Reason (R): Distinct echo requires a minimum time delay of 0.1 s.
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