Question on: WAEC Physics - 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
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Correct Option: A
\(f_1 - f_2 = \frac{1}{T}\)
12 - 10 = \(\frac{1}{2}\)
= 0.5
12 - 10 = \(\frac{1}{2}\)
= 0.5
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