Speed of SoundHardQuestion 31211
Question
At what temperature does sound speed in air equal twice its value at 0°C?
- A273°C
- B546°C
- C819°CCorrect
- D1092°C
Correct answer
819°C
Explanation
v ∝ √T. 2v₀ requires T = 4T₀ = 4×273 = 1092 K = 819°C.
JEE Physics · Hard
Sound Waves: Speed of Sound MCQ
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