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The symbols, Y,K and eta represent the Y...

The symbols, Y,K and `eta` represent the Young's modulus, bulk modulus and rigidty modulus of the material of a body. If `eta = 3 K`, then

A

`Y=2.5 K`

B

`Y=3.5 K`

C

`Y=4.5 K`

D

`Y=9/5 K`

Text Solution

Verified by Experts

The correct Answer is:
C
`(1)/(K) + (3)/(eta) = (9)/(Y) :. (1)/(K) + (3)/(3K) = (9)/(Y)`
`(2)/(K) = (9)/(Y) :. Y = (9K)/(2) = 4.5 K`
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