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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

`0.36pm0.02cm`

B

`0.18 pm 0.02cm`

C

`0.36 pm 0.01 cm`

D

`0.18 pm 0.01 cm`

Text Solution

Verified by Experts

The correct Answer is:
B
`"Thickness of wall"=(1)/(2)(4.23-3.87)pm (0.01 pm 0.01)`
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DISHA PUBLICATION-PHYSICAL WORLD, UNITS AND MEASUREMENTS-Exercise - 1 : Concept Builder (Topicwise)(Topic 2 : Errors in Measurements and Significant Figures)
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