In a screw gauge, the zero of the circular scale lies 3 divisions above the horizontal pitch line when their metallic studs are brought in contact. Using this instrument thickness of a sheet is measured. If pitch scale reading is 1 mm and the circular scale reading is 51 then the correct thickness of the sheet is_____ mm. [Assume least count is 0.01 mm]

[JEE Main 2026, 23 Jan (Shift 1)]

Question

In a screw gauge, the zero of the circular scale lies 3 divisions above the horizontal pitch line when their metallic studs are brought in contact. Using this instrument thickness of a sheet is measured. If pitch scale reading is 1 mm and the circular scale reading is 51 then the correct thickness of the sheet is_____ mm. [Assume least count is 0.01 mm]

[JEE Main 2026, 23 Jan (Shift 1)]

YESPYQ · Accepted Answer

Options are free to see. Unlock the correct answer and full explanation with PYQ Pass.

In a screw gauge, the zero of the circular scale lies 3 divisions above the horizontal pitch line when their metallic st…

Practice more JEE Physics PYQs