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The thin metallic strip of vernier calli...

The thin metallic strip of vernier callipers moves downward from top to bottom in such a way that it just touches the surface of beaker. Main scale reading of calliper is 6.4 cm whereas its vernier constant is 0.1 mm. The `4^(th)` of vernier scale division is coinciding with main scale division. The actual depth of berker in mm is (when zero of vernier coincides with zero of main scale)

A

6.64 cm

B

6.42 cm

C

6.44 cm

D

6.13 cm

Text Solution

Verified by Experts

The correct Answer is:
c
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