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An experiment measures quantities a, b and c and X is calculated from `X= ab^(2)//c^(3)`. If the percentage error in a, b and c are `pm 1%, pm 3% and pm 2%` respectively, the percentage error in X will be-

A

`pm13%`

B

`pm7%`

C

`pm4%`

D

`pm1%`

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The correct Answer is:
A
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MOTION-UNITS AND DIMENSIONS, BASIC MATHEMATICS -Exercise - 1 (Objective Problems) (SECTION - D :- ERRORS )
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  5. A thin copper wire of length l metre increases in length by 2% when he...

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  9. If error in measuring diameter of a circle is 4 %, the error in circum...

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  14. A vernier callipers has 20 divisions on the vernier scale which coinci...

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  16. The percentage errors in the measurement of mass and speed are 2% and ...

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  17. One centimetre on the main scale of vernier callipers is divided into ...

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