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The main scale reading while measuring the thickness of a rubber ball using Vernier Caliper is 7 cm and the Vernier scale coincidence is 6. Find the radius of the ball.

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Best answer

Given: 

The main scale reading = 7 cm 

Vernier scale coincidence = 6 we

 know that least count of vernier = 0.01 cm 

The radius of the ball = MSR + VC × LC 

= 7 cm + 6 × 0.01 cm 

= 7 cm + 0.06 cm 

= 7.06 cm

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