1cm of a main scale is divided into 10 equal parts, on a Vernier caliper. If the 10 divisions of the Vernier scale coincide with the 9 divisions of the main scale, Calculate the pitch and least count of the instrument.
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Answer:
Length of one main scale division is 1 mm.
Number of division on vernier scale =10
Main scale reading =1.8 cm
Division of vernier coinciding =4
th
L.C=
10
1
mm=0.1 mm=0.1 cm
Length of rod = main scale reading + vernier division coinciding × L.C
=1.8+4 X 0.01
=1.84 cm
Explanation:
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