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प्रश्न
What is sound? What causes it to produce?
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उत्तर
A sound is a form of energy. It is that external physical cause that affects the ear to produce the sensation. Sound is produced only when some material body is made to vibrate.
संबंधित प्रश्न
Write true or false for a given statement.
Larger is the amplitude, feeble is the sound.
Draw a graph between displacement from mean position and time for a body executing free vibrations in vacuum.
Define the term intensity of a sound wave. State the unit in which it is measured.
Arrange the speeds of sound in gases, solids, and liquids in ascending order.
Give a scientific reason.
If you were both on the moon, your friend will not be able to hear you call.
What do you understand by the term sound energy?
From diagram given below calculate:
- velocity of P and Q
- frequency of P, when frequency of Q is 512 Hz.
Assume that both wave are traveling in same medium.
Why does an empty vessel produce more sound than a filled one?
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A list of mediums is given below.
- wood
- water
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- vacuum
In which of these mediums can sound travel?
