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Calculate thickness of the object...

Calculate thickness of the object

A

`11.8mm`

B

`12.0mm`

C

`11.4mm`

D

`11.2mm`

Text Solution

Verified by Experts

The correct Answer is:
C
Thickness of the object=(main scale reading)+(vernier scale Reading)(least count)
where least count=(Main scale division-vernier Scale division)
`=1mm-0.9mm` (from fig `1`)`=0.1mm`
So thickness of the object
`=11mm+(4)(0.1mm)=11.4mm`
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