A screw gauge gives the following reading when used to measure the diameter of a wire. Main scale reading : 0 mm Circular scale reading : 52 divisions Given that 1 mm on main scale corresponds to 100

Question

A screw gauge gives the following reading when used to measure the diameter of a wire. Main scale reading : $0 mm$ Circular scale reading : 52 divisions Given that $1 mm$ on main scale corresponds to 100 divisions of the circular scale. The diameter of wire from the above date is :

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Answer:

A

Solution:

Diameter of wire $= \frac{1}{100} \times 52 = 0.52 mm = 0.052 cm$

TestHub · Accepted Answer

Diameter of wire = 100 1 ​ × 52 = 0.52 mm = 0.052 cm

Physics - Practical physics Question with Solution | TestHub

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JEE Advanced 2026