JEE Main 15 Apr 2018 Shift 1 Solved Paper

Section: Physics

Question : 30 of 90

Marks: +1, -0

In a screw gauge, 5 complete rotations of the screw cause it to move a linear distance of 0.25cm. There are 100 circular scale divisions. The thickness of a wire measured by this screw gauge gives a reading of 4 main scale divisions and 30 circular scale divisions. Assuming negligible zero error, the thickness of the wire is :

[Main 15 April 2018 S1]

0.4300 cm
0.2150 cm
0.3150 cm
0.0430 cm

Validate

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