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The least count of a vernier calliper is 0.1 mm and 20 vernier scale division coincides with 19 main scale division

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The least count of a vernier calliper is 0.1 mm and 20 vernier scale division coincides with 19 main scale division, then one main scale division is ____ mm.

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1 Answer

+1 vote
by (19.5k points)

Correct Answer is (2)

20 VSD = 19 MSD

VSD = \(\frac{19}{20}\) MSD

LC = MSD - \(\frac{19}{20}\) MSD

0.1 mm = \(\frac{MSD}{20}\) 

MSD = 2mm

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