First slide

Measurement

Question

The least count of vernier callipers is

Moderate

A

0.1cm
B

0.01cm
C

0.001mm
D

0.01mm

Solution

$L e a s t c o u n t = \frac{v a l u e o f 1 M a i n S c a l e D i v i s i o n}{N u m b e r o f v e r n i e r s c a l e d i v i s i o n s} . = \frac{1}{10} = 0.1 m m = 0.01 c m$

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