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A string of length 60 cm, mass 6gm and a...

A string of length 60 cm, mass 6gm and area of cross section `1mm^(2)` and velocity of wave 90m/s. Given young's modulus is `Y = 1.6 x 10^(11) N//m^(2)`. Find extension in string

A

` 0.3 mm `

B

` 0.2 mm`

C

` 0.1 mm `

D

` 0.4 mm `

Text Solution

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The correct Answer is:
A
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