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JEE MAIN 2019
09-04-2019 - S1
Question
The pressure wave, P = 0.01sin $[1000 \mathrm{t}-3 \mathrm{x}] \mathrm{Nm}^{-2}$ , corresponds to the sound produced by a vibrating 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 :
Select the correct option:
A
4°C
B
12°C
C
15°C
D
11°C
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