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प्रश्न
Write true or false for a given statement.
The frequency is measured in hertz.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Why is sound wave called a longitudinal wave?
How do we produce sound ?
Explain the terms 'crests' and troughs' of a wave? What type of waves consist of crests and troughs?
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?
Describe a simple experiment to determine the speed of sound in air. What approximation is made in the method described by you?
Select the correct option:
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A continuous progressive transverse wave of frequency 8 Hz moves across the surface of a ripple tank
With reference to the frequency, describe the movement of water on the surface
The diagram given below shows a displacement distance graph of a wave. If the velocity of wave is 160 ms-1, calculate:
- wavelength
- frequency
- amplitude.

