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प्रश्न
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संबंधित प्रश्न
Calculate the wavelength of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given medium.
Distinguish between compression and rarefaction.
The sound of an explosion on the surface of a lake is heard by a boat man 100 m away and by a diver 100 m below the point of explosion.
(i) Who would hear the sound first: boatman or diver?
(ii) Give a reason for your answer in part (i).
(iii) If sound takes time t to reach the boatman, how much time approximately does it take to reach the diver?
How is sound perceived by us?
Select the correct option:
In case of longitudinal waves, the particles of the medium vibrate:
Draw a displacement-time graph for water wave.
he sound of an explosion on the surface of a lake is heard by a boatman 120 m away and by a diver 120 m below the point of explosion. Out of the two persons, who would hear the sound first? Why?
What is the effect of temperature and pressure on the speed of sound in a gas?
What type of sound is produced by elephants and whales?
