Question

A student measured the diameter of a wire using screw gauge with the least count 0.001cm and listed the measurements.the correct measurement
A) 5.3cm. B) 5.32cm. C) 5.320cm
D) 5.3200cm.
Please send with solving

Answer 1

Answer:

Option C

Explanation:

The least count for micrometer screw gauge is 0.001 cm. That is equal to 1 micrometer. Only the value in option C has a precision upto 1 micrometer of 1/1000 th part of a centimetre.

Value 1 -> Less precision ( 1/10 th of a centimetre )

Value 2 -> Less precision ( 1/100 th of a centimetre )

Value 4 -> More precision, cannot be determined by micrometer ( 1/10000 of a centimetre )

Answer 2

Answer:

Hey mate here's ur ans ::::::::

The Least count (L.C.) of a screw gauge is the smallest length which can be measured accurately with it. As least count is \

[0.001cm = \frac{1}{1000}cm \]

Hence, the measured value should be recorded up-to 3 decimal places

that is , 5.320 cm.

So, your ans is option (C).

Hope it helps!!!

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