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Thickness of a pencil measured by using ...

Thickness of a pencil measured by using a screw gauge (least count.001 cm) comes out to be 0.802 cm .The percentage error in the measurement is

A

`0.125%`

B

`2.43%`

C

`4.12%`

D

`2.14%`

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-UNITS AND MEASUREMENTS-ASSIGNMENT (SECTION - A)
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  9. The area of a sheet of length 10.2 cm and width 6.8 cm addressed upto ...

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  10. The radius of a sphere is (2.6 pm 0.1) cm The percentage error u iis v...

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  17. If a calculated value 2.7465 g contains only three significant figures...

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  18. An object of mass 4.237 g occupies a volume 1.72 cm^3. The density of ...

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  19. Round off the value 2.845 to three significant figures

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