Q.

The diagram shows part of the vernier scale on a pair of callipers.

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Which reading is correct?

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a

2.74 cm

b

3.10cm

c

3.26cm

d

3.64cm

answer is A.

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Detailed Solution

VS=4, MS=2.7
= MS+VS x LC
=2.7 + 0.04 = 2.74 

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