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प्रश्न
In the case of a vernier caliper, 1 MSD = 1 mm. If 10 VSD coincide with 9 MSD; what is its least count?
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उत्तर
1 MSD = 1 mm
10 VSD = 9 mm
1 VSD =`9/10`mm
Least count = 1 MSD - 1 VSD
=`1/10`MSD
=`1/10` x 1 mm = 0.1 mm
= 0.01 cm
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