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In the experiment to determine Young's m...

In the experiment to determine Young's modulus of the material of a wire under tension used in the arrangement as shown. The percentage error in the measurement of length is `a` in the measurement of the radius of the wire is `b` and in the measurement of the change in length of the wire is `c`. Percentage error in the measurement of Young's modulus for a given load is

A

`a-2b+c`

B

`a-2b-c`

C

`a+2b+c`

D

`a+2b`

Text Solution

Verified by Experts

The correct Answer is:
C
`(DeltaY)/(Y)xx100=[(Deltal)/(l)+2((Deltar)/(r ))+(Delta(Deltal))/(l)]100`
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