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A student measured the diameter of a sma...

A student measured the diameter of a small rubber ball using a screw gauge of least count 0.001 cm. The main scale reading is 5 mm and zero of circular scale division coincides with 25 divisions above the reference level. If screw gauge has a zero error of -0.004cm. the correct diameter of the rubber ball is

A

`0.053 cm `

B

`0.525 cm `

C

`0.521 cm `

D

`0.529 cm `

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