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When interference is produced by two pro...

When interference is produced by two progressive waves of equal frequencies, then the maximum intensity of the resulting sound are `N` times the intensity of each of the component waves. The value of `N` is

A

`1`

B

`2`

C

`4`

D

`8`

Text Solution

Verified by Experts

The correct Answer is:
C
`I_(R) = I_(max) = (sqrtI_(1) + sqrt(I_(2)))^(2)`
If `I_(1) = I_(2) = I_(o)`, then
`I_(R) = 4I_(o)`
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DC PANDEY-SOUND WAVES-Level 1 Objective
  1. Two sound waves of wavelength 1 m and 1.01 m in a gas produce 10 beats...

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  2. when a source is going away from a stationary observer with the veloci...

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  3. When interference is produced by two progressive waves of equal freque...

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  4. A tuning fork of frequency 500 H(Z) is sounded on a resonance tube . T...

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  5. A vehicle , with a horn of frequency n is moving with a velocity of 30...

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  6. How many frequencies below 1 kH(Z) of natural oscillations of air colu...

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  7. a sound source emits frequency of 180 h(Z) when moving towards a rigid...

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  8. Two sound waves of wavelengths lambda(1) and lambda(2) (lambda (2) gt ...

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  9. A, Band C are three tuning forks. Frequency of A is 350 H(Z) . Beats p...

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  10. The first resonance length of a resonance tube is 40 cm and the second...

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  11. Two identical wires are streched by the same tension of 100 N and each...

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  12. A tuning fork of frequency 340 Hz is excited and held above a cylindri...

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  13. In a closed end pipe of length 105 cm , standing waves are set up corr...

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  14. Oxygen is 16 times heavier than hydrogen. At NTP equal volumn of hydro...

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  15. A train is moving towards a stationary observer. Which of the followin...

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  16. A closed organ pipe and an open organ pipe of same length produce 4 be...

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  17. One train is approaching an observer at rest and another train is rece...

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  18. Speed of sound in air is 320 m//s . A pipe closed at one end has a len...

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  19. Four sources of sound each of sound level 10 dB are sounded together i...

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  20. A longitudinal sound wave given by p = 2.5 sin.(pi)/(2) (x - 600 t) (p...

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