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प्रश्न
When we hear a sound, does any part of our body vibrate? Name the part.
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उत्तर
Yes, It is the eardrum which vibrates and sends vibrations to the inner ear, when we hear any sound.
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संबंधित प्रश्न
Fill in the blank.
Sound requires a ________ for propagation.
State one observation from everyday life which shows that sound travels much more slow than light.
The frequency of the sound emitted by the loudspeaker is 1020 Hz. Calculate the wavelength of the sound wave in air in cm where its velocity is 340 m/s.
An electric bell is suspended by thin wires in a glass vessel and set ringing. Describe and explain what happens if the air is gradually pumped out of the glass vessel.
Through which of the following materials can sound travel? wood, air, water, steam, ice, hydrogen, steel, diamond.
State three characteristics of the medium required for propagation of sound?
Flash of lightning reaches earlier than the sound of thunder. Explain the reason.
Sound in air propagates in form of
A boy fires a gun and another boy at a distance hears the sound of fire 2.5s after seeing the flash. If the speed of sound in air 340 m/s, find distance between the boys.
Assuming the speed of sound in air equal to 340 m/s and in water equal to 1360 m/s, find the time taken to travel a distance 1700 m by sound in (i) air (ii) water.
