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JAMB Physics 2022 Objective — Question 40

Question 40 of 41 from the Joint Admissions and Matriculation Board (JAMB) Physics 2022 Objective paper, with the correct answer and a full explanation.

Sound waves of 12 Hz and 10 Hz. Beats period:

A. 2.0 s
B. 1.2 s
C. 1.0 s
D. 0.5 sCorrect

Explanation

Beat freq=2 Hz; T=1/2=0.5 s.

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