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Three sound waves of equal amplitudes ha...

Three sound waves of equal amplitudes have frequencies `(v -1), v, (v +1)`. They superpose to give beats. The number of beats produced per second will be

A

1

B

2

C

3

D

4

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-Mock Test 22: PHYSICS-Example
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  2. interferences of waves

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  3. A tuning fork produces 4 beats per second when sounded togetehr with a...

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  4. the minimum distance between the reflecting surface and source for lis...

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  5. Fundamental frequency of a organ pipe filled with N2 is 500 Hz. the fu...

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  6. Beats are result of

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  7. two piano keys are stuck simultaneously. the notes emitted by them hav...

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  8. two waves y1 = 2.5 sin100πt and y2 = 2.5 sin102πt ( where y is in mete...

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  9. The length of two open organ pipes are l and (l+deltal) respectively. ...

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  10. two waves of wavelength 100 cm and 102 cm produce 12 beats per second ...

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  11. Three sound waves of equal amplitudes have frequencies (v -1), v, (v +...

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  12. IF two tuning forks A and B are sounded together, they produce 4 beats...

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  13. a bus is moving with a velocity 4 m/s towards a wall, the driver sound...

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  15. a bus is moving towards and stationary observer with speed 20 m/s blow...

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  19. in which of the following case frequency of sound heard by the observe...

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