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The internal and external diameters of a...

The internal and external diameters of a hollow cylinder are measured with the help of a Vernier callipers . Their values are `4.23 +- 0.01 cm and 3.87 +- 0.01 cm`, respectively . The thickness of the wall of the cylinder is

A

`0.36 +- 0.02 cm`

B

`0.18 +- 0.02 cm`

C

`0.36 +- 0.01 cm`

D

`0.18 +- 0.01 cm`

Text Solution

Verified by Experts

The correct Answer is:
B
Subtract `3.87` from `4.23` and then divided by`2`.
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