Physics JAMB

What is the velocity of sound at 100°C if the velocity of sound at 0°C is 340ms−¹?

A. 497m−¹
B. 440m−¹
C. 397m−¹
D. 240m−¹

Correct Answer:

Option C – 397m−¹

Explanation
V∝√T

⇒ V1/T1=V2/T2

Using the above formula, we get

V2≊397ms−¹

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