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Question

On a winter day sound travels 336 meters in one second. Find the atmospheric temperature. Speed of sound at 0 C = 332 m s1.


A

7C.

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B

14C.

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C

0C.

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D

None of these

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Solution

The correct option is A

7C.


The speed of sound is proportional to the square root of the absolute temperature.

The speed of sound at 0C or 273 K is 332 m s1. If the atmospheric temperature is T,

336ms1332ms1=T273K

or T=(336332)2×273 K=280 K

or, T =7C.


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