Question

an instrument has 20 division in 1 cm and a vernier scale with 25 vernier scale divisions coinciding with 24 divisions on the main scale. find the least count of the instrument​

Answer 1

Answer:

Number of division on VS=20

1 cm on Main scale (MS)=20 division

So 1 MSD=201=0.05cm

Least count, LC=No. of VS division1 MSD=200.05=0.0025 cm

Explanation:

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