It takes 2 seconds for a sound wave to travel between two fixed points – McqOptions

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1.	It takes 2 seconds for a sound wave to travel between two fixed points when the day temperature is 10 C. If the temperature rises to 30 C, the sound wave travels between the same fixed parts in __________
A.	1.9s
B.	2s
C.	2.1s
D.	2.2s
Answer» B. 2s

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