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The number of circular divisions on the ...

The number of circular divisions on the shown screw gauge is 50 it moves 0.5mm on main scale for moone complete rotation Main scale reading is 2 The diameter of the balls is
.

A

a.`2.25 mm`

B

b.`2.20mm`

C

c.`1.20mm`

D

d.`1.25mm`

Text Solution

Verified by Experts

Zero error `= 0.5 xx (0.5)/(50) = 0.05mm`
Actual measurement
`=2 xx 0.5 mm + 25 xx (0.5)/(50) - 0.05 mm`
`=1mm + 0.25 mm - 0.05mm = 1.2 mm` .
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RESONANCE ENGLISH-EXPERIMENTAL PHYSICS-Exercise -2 PART
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  6. The number of circular divisions on the shown screw gauge is 50 it mov...

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  10. A Vernier callipers has 1 mm marks on the main scale . It has 20 equa...

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  16. Consider a Vernier callipers in which each 1cm on the main scale is di...

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