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A source of frequency 500 Hz emits waves...

A source of frequency `500 Hz` emits waves of wavelength `0.2 m`. How long does it take to travel `300 m` ?

A

`70` sec

B

`60` sec

C

`12` sec

D

`3` sec

Text Solution

Verified by Experts

The correct Answer is:
D
`t=(d)/(V)=(d)/(nlambda)`
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NARAYNA-WAVES-Exercise-I (C.W)
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  7. If Young's modulus of the material of a rod is Y and density is rho th...

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  9. A transverse wave propagating on a stretched string of linear density ...

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  10. The extension in a string, obeying Hooke's law, is x. The speed of sou...

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  11. A uniform rope of length 12m and mass 6kg hangs vertically from a rigi...

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  12. A string of length l hangs freely from a rigid support. The time requi...

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  13. A transverse wave is passing through a light string shown in fig.The e...

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  14. The equation of a wave on a string of linear mass density 0.04 kgm^(-1...

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  15. In (Q. 24.) the tension in string is T and the linear mass density of ...

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  16. The speed of sound in air is 332m//s at NTP. What will be its value in...

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  17. Calculate the ration of speed of sound in neon to that in water vapour...

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  18. The pressure of air increases by 100mm of Hg and the temperature decre...

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  19. The temperature at which the velocity of sound in oxygen will be same ...

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