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A student measured the diameter of a wire using a screw gauge with least count 0.001 cm and listed the measurements. The correct measurement is

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A student measured the diameter of a wire using a screw gauge with least count 0.001 cm and listed the measurements. The correct measurement is
A. 5.3 cm
B. 5.32 cm
C. 5.320 cm
D. 5.3200 cm
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Correct Answer - c
The least count is 0.001 cm.
`therefore` The correct measurement is 5.320 cm.
For (a) L-C = 0.1 cm, for (b) L-C = 0.01 cm and for (d) L-C = 0.0001 cm
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