Multiple Choice
A guitar string of length 105 cm is in resonance with a tuning fork of frequency f.Using the fret board the length of the string is shortened by 1.5 cm while keeping the tension in the string constant.Now a beat frequency of 10 Hz is heard between the string and the tuning fork.What is the frequency of the tuning fork?
A) 230 Hz
B) 1380 Hz
C) 345 Hz
D) 690 Hz
E) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
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