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¬¨¬®‚Äö√†√ªC. If the temperature rises to 30¬¨¬®‚Äö√†√ªC, 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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