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Beats are result of...

Beats are result of

A

superposition of two waves of equal frequency

B

constructive interference

C

destructive interference

D

superposition of two waves of nearly equal frequency

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-Mock Test 22: PHYSICS-Example
  1. two waves y1 = 10sin(omegat - Kx) m and y2 = 5sin(omegat - Kx + π/3) m...

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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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  14. a bus is moving in a circle around a listener with speed 20 m/s of rad...

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

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  16. A car blowing a horn of frequency 350 Hz is moving normally towards a ...

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  17. A car is moving with 90 km h^(-1) blows a horn of 150 Hz, towards a cl...

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  18. Which of the following is correct?

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

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  20. The perimeters of tow similar triangles DeltaABC and DeltaPQR are...

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