Question
Physics Question on Units and measurement
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 the main scale corresponds to 100 divisions on the circular scale. The diameter of the wire from the above data is
A
0.052 cm
B
0.52 cm
C
0.026 cm
D
0.26 cm
Answer
0.052 cm
Explanation
Solution
The correct answer is option (A): 0.052 cm