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1 cm of main scale of a vernier calipers is divided into 10 divisions. The least count of the calipers is 0.005 cm, then the vernier scale must have

a
10 divisions
b
20 divisions
c
25 divisions
d
50 divisions

detailed solution

Correct option is B

LC=1nMSDHere, n= number of vernier scale divisions0.005 cm=1n110 cmn=0.10.005=100050n = 20

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