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In searles experiment, the diameter of t...

In searles experiment, the diameter of the wire as measured by a screw gauge is 0.050 cm. The length measured by a scale is 110.0 cm where a weight of 50N (exact) is suspended from the wire, the extension is measured to be 0.125 cm by a micrometer.
The percentage error in the measurement of extension by the micrometer is

A

zero

B

`0.8%`

C

`8%`

D

`0.008%`

Text Solution

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The correct Answer is:
B
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