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PHYSICS

JAMB 2020 - Question 21

Physics 2020 JAMB Past Questions - Question 21: if a sound wave goes from a cold-air region to a hot-air region its wavelenght will

Choose the correct answers from the options given.

if a sound wave goes from a cold-air region to a hot-air region its wavelenght will

A: increase

B: decrease

C: decrease decrease then increase

D: remain constant

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Correct Answer

Explanation

(v ἀ ƛ ἀ temp)The wavelength of a sound wave will increase when it goes from a cold-air region to a hot-air region. This is because sound travels faster in hotter air, so the wave will stretch out, leading to a longer wavelength.