Two tuning forks of frequencies 6Hz and 4Hz respectively are sounded together. The beat frequency is
-
2Hz
- 5Hz
- 8Hz
- 10Hz
The correct answer is: A
Explanation
Beat frequency = f\(_1\) - f\(_2\)
f\(_1\) = 6Hz
f\(_2\) = 4Hz
Beat frequency = f\(_1\) - f\(_2\) = 6 - 4 = 2Hz
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