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U. Suive these numericals.In a pair of Vernier live main erale divisions coincide with 20 Vernier scale divisions. If the main scaleU divisions in a centimetre, calculate the least count of the Vernier callipers. (Ans. Least count * 0.0025

Answer»

1 Division of Main Scale is coinciding with 1/20 cm. = 0.05 cm

Least Count of vernier = 1/n (Main scale's 1 division)

Where n is no. Of Divisions in V.S.

L.S.= (1/20) * 0.05

=0.0025cm.

Divide the 1/20 cm.=0.05L.S.=(1/20)*0.050.0025cm.



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