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The zero error of the vernier calipers s...

The zero error of the vernier calipers shown in the figure is _________.

A

`-100 mum`

B

+ 0.01 cm

C

0.1 mm

D

All the above.

Text Solution

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The correct Answer is:
D
VCD for zero error = 4.
Since the zero of the vernier scale is to the right of the zero of the main scale, the error is positive.
` therefore ` zero error = +n x L.C
= + 4 x 0.025 mm
= + 0.100 mm
= + 0.01 cm = + 100 `mum`
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