MHT CET Physics question
A transverse wave is travelling on a string with velocity ''. The extension in the string is ''. If the string is extended by 50%, the speed of the wave along the string will be nearly (Hooke's law is obeyed) [MHT-CET 2022]
Answer: (D)
Solution
By Hooke's law and , so for extension the speed is ; 0.9V
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