A) 250 Hz
B) 252 Hz
C) 254 Hz
D) 256 Hz
Correct Answer: C
Solution :
Given, \[{{n}_{A}}=258\,Hz,\,{{n}_{B}}=262\,Hz\] If it produces \[x\] beats with 258 and \[2x\] with 262. \[262-(258-x)=2x\] \[262-258+x=2x\] \[x=4\] \[n=254\,Hz\]You need to login to perform this action.
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