A screw gauge gives the following reading when used to


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 data is

  • (A) 0.005 cm
  • (B) 0.52 cm
  • (C) 0.052 cm
  • (D) 0.026 cm

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Physics: A screw gauge gives the following reading when used to
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