General Studies · Metrology and Measurements
The least count of a micrometer is defined as the:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Value of one main scale division divided by the total number of head scale divisions✓
- 2Number of rotations of the thimble divided by the value of the main scale division
- 3Number of head scale divisions divided by the number of main scale divisions
- 4Difference between the main scale division and number of divisions on the head scale
Correct answer
Value of one main scale division divided by the total number of head scale divisions
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