Question
Question: An unknown fork produces 4 beats per second with a tuning fork of frequency 288 Hz. When unknown for...
An unknown fork produces 4 beats per second with a tuning fork of frequency 288 Hz. When unknown fork is loaded with wax it again produces 4 beats per second. The unknown frequency of tuning fork is –
A
284 Hz
B
292 Hz
C
290 Hz
D
288 Hz
Answer
292 Hz
Explanation
Solution
Unknown known Beats 292 or 284 288 4
284 4