JEE MainPhysicsUnits and MeasurementsMCQ+4 / −1
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:
- A0.052 cm
- B0.026 cm
- C0.005 cm
- D0.52 cm
More from Units and Measurements
- The respective number of significant figures for the numbers 23.023, 0.0003 and 2.1 10–3 are2010 · MCQ
- In an experiment the angles are required to be measured using an instrument, 29 divisions of the main scale exactly coincide with the 30 divisions of the vernier scale. If the smallest division of the main scale is half-a degree(=…2009 · MCQ
- An experiment is performed to find the refractive index of glass using a travelling microscope. In this experiment distances are measured by2008 · MCQ
- Two full turns of the circular scale of a screw gauge cover a distance of 1 mm on its main scale. The total number of divisions on the circular scale is 50. Further, it is found that the screw gauge has a zero error of − 0.03 mm while…2008 · MCQ
- A body of mass m = 3.513 kg is moving along the x-axis with a speed of 5.00 ms−1. The magnitude of its momentum is recorded as2008 · MCQ
- The dimension of magnetic field in M, L, T and C (coulomb) is given as2008 · MCQ
- Out of the following pair, which one does NOT have identical dimensions is2005 · MCQ
- Which one of the following represents the correct dimensions of the coefficient of viscosity?2004 · MCQ