a vernier caliper has 20 vernier scale divisions .one centimetre on the main scale is divided into 20 equal parts .find the least count. .In the pearson book answer is given 0.25 mm
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A vernier callipers has 20 divisions on the vernier scale which coincide with 19 divisions on the main scale. The least count of the instrument is 0.1 mm. The main scale divisions are of
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