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The diameter of a cylinder is measured u...

The diameter of a cylinder is measured using a Vernier callipers with no zero error. It is found that the zero of the Vernier scale lies between `5.10cm and 5.15cm` of the main scale. The Vernier scale has `50` divisions equivalent to `2.45 cm`. The `24^(th)` division of the Vernier scale exactly coincides with one of the main scale divisions. the diameter of the cylinder is

A

5.112 cm

B

5.124 cm

C

5.136 cm

D

5.148 cm

Text Solution

Verified by Experts

The correct Answer is:
b
Main scale division(s) =0.05 cm
Vernier scale division(v)`=49/1000=0.049`
Least count `=0.05-0.049=0.001 cm`
Diameter : `5.10+24xx0.001=5.124 cm`
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