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The external and internal diameter of a ...

The external and internal diameter of a hollow cylinder are determined with vernier calipers and the results are recorded as `(4.23 +- 0.001)cm` and `(3.89 +- 0.01)cm`. The thickness of the cyclinder wall within the limits of error is

A

`0.34 pm 0.01cm `

B

`0.34 pm 0,02 cm`

C

`0.34 pm 0.04 cm`

D

`0.17 pm 0.01 cm`

Text Solution

Verified by Experts

The correct Answer is:
D
`t=(d_2 -d_1)/(2) , Delta t= Deltat_2 + Deltat_1`
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