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0 votes
2.0k views
in Physics by (30.7k points)

A screw gauge gives the following readings 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 on the circular scale. The diameter of the wire from the above data is : 

(1) 0.52 cm 

(2) 0.026 cm 

(3) 0.26 cm 

(4) 0.052 cm

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1 Answer

+1 vote
by (30.6k points)

Option : (4) 0.052 cm 

Least count = \(\frac{1mm}{100}\) = 0.01m

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