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A physical quantity `X `is give by the relation `X = (2h^(3)I^(2))/(2sqrt(n))` The percentage error in the meansurement of k ,I,m and n are `1% ,2%, 3%` and `4%` respectively The value of X is uncertain by
A. 0.08
B. 0.1
C. 0.12
D. None of these

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Correct Answer - D
A physical quantity
`" "x=(2K^(3)l^(2))/(msqrt(n))`
Percentage error in `x=(3xx1+2xx2+3xx1+2xx(1)/(2))=11%`

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