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A physical quantity X is given by X=(2...

A physical quantity `X` is given by
`X=(2K^(3)l^(2))/(msqrt(n))`
The percentage error in the measurements of `k, l, m and n` are 1%, 2%, 3% and 4%, respectively. The value of `X` in uncertain by

A

`10 J`

B

`20 J`

C

`40 J`

D

`80 J`

Text Solution

Verified by Experts

The correct Answer is:
B
`W= int F_("ext").ds`
`rArr (5xx2)xx2`
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