A) four times
B) half
C) twice
D) eight times.
Correct Answer: A
Solution :
We know that the frequency of a mechanical wave created in a string is given by \[\upsilon =\frac{1}{2\pi }\sqrt{\frac{T}{m}}\] \[\therefore \]To double the vibrations, tension T has to be raised by a factor of 4.You need to login to perform this action.
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