Two sound waves have frequencies of 12Hz and 10Hz. Calculate their beats period
PHYSICS
WAEC 2011
Two sound waves have frequencies of 12Hz and 10Hz. Calculate their beats period
- A. 0.5s
- B. 1.0s
- C. 1.2s
- D. 2.0s
Correct Answer: A. 0.5s
Explanation
\(f_1 - f_2 = \frac{1}{T}\)
12 - 10 = \(\frac{1}{2}\)
= 0.5
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