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The speed of a wave on a string is 150 m...

The speed of a wave on a string is 150 m/s when the tension is 120 N . The percentage increase in the tension in order to raise the wave speed by 20% is

A

`44%`

B

`40%`

C

`20%`

D

`10%`

Text Solution

Verified by Experts

The correct Answer is:
A
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