The pressure wave, P = 0.01 sin [1000t – 3x] Nm-2, corresponds to th – McqOptions

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1.	The pressure wave, P = 0.01 sin [1000t – 3x] Nm-2, corresponds to the sound produced by avibrating blade on a day when atmospheric temperature is 0°C. On some other day when temperature is T, the speed of sound produced by the same blade and at the same frequency is found to be 336 ms-1. Approximate value of T is:
A.	4°C
B.	11°C
C.	12°C
D.	15°C
Answer» B. 11°C

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