Physics Easy Uploaded: 09 Jul 2026

A micrometer screw gauge is more suitable than Vernier calipers for measuring:

Correct Answer: Option B — Diameter of a thin wire

Explanation:

A micrometer screw gauge has a smaller least count and is suitable for very small lengths such as wire diameter.

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If the zero of the Vernier scale is to the left of the zero of the main scale, the correction is made by:

The least count of the micrometer screw gauge described in the chapter is:

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In a micrometer screw gauge, the ratchet is used to:

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