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two speakers A and B , placed 1 m apart,...

two speakers A and B , placed 1 m apart, each produces sound waves of frequnecy 1800 Hz. In phase. A detector moving parallel to line of speakers distant 2.4 m away detects a maximum intensity at O nd then at P. speed of sound wave is

A

`330 ms^(-1)`

B

`360 ms^(-1)`

C

`350 ms^(-1)`

D

`340 ms^(-1)`

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The correct Answer is:
B
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RESONANCE ENGLISH-SOUND WAVES-Exercise- 2 PART - I
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  2. S1 , S2 are two coherent sources (having initial phase difference zero...

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  3. two speakers A and B , placed 1 m apart, each produces sound waves of ...

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  4. In a large room , a person receives direct sound waves from a source 1...

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  5. The displacement of a medium in a sound wave is given by the equation ...

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  6. The ratio of the speed of sound in nitrogen gas to that in helium gas ...

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  7. Two monatomic ideal gas 1 and 2 of molecular masses m(1) and m(2) resp...

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  8. A closed pipe resonates at its fundmental frequency of 300 Hz. Which o...

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  9. A closed organ pipe and an open organ pipe have their first overtones...

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  10. An open pie is suddenly closed at one end with the result that the fre...

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  11. There is a set of four tuning forks , one with the lowest frequency vi...

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  12. Two sound sources produce progressive waves given by y(1) = 6 cos 1...

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  13. A fixed source of sound emitting a certain frequency appears as f(a) w...

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  14. When a train approaches a stationary observer, the apparent frequency ...

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  15. A police car moving at 22 m//s, chase a motoclist. The police man has ...

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  16. A siren placed at a railway platfrom is emitted sound of frequency 5 k...

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  17. A train moves towards a stationary observer with speed 34 m//s. The tr...

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  18. A train blowing its whistle moves with a constant velocity v away from...

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  19. In the case of sound waves, wind a blowing from source to reciver with...

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  20. Two sound sources emitting sound each of wavelength lambda are fixed a...

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