Question:
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 :
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 :
Updated On: Apr 14, 2025
- 0.52 cm
- 0.026 cm
- 0.26 cm
- 0.052 cm
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The Correct Option is D
Solution and Explanation
Least count $=\frac{1}{100}=0.01 \,mm$
Diameter of the wire
$=C S R \times L C $
$=52 \times 0.01 \,mm $
$=0.52 \,mm $
$d=0.052\, cm$
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