Vernier Calipers & Screw Gauge: JEE Questions & Solutions

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…

In a vernier callipers, 50 vernier scale divisions are equal to 48 main scale divisions. If one main scale division = 0.05 mm, then the…

When both jaws of a vernier calipers touch each other, zero mark of the vernier scale is right to the zero mark of main scale. 4th mark on…

Given below are two statements: Statement I: In a vernier callipers, one vernier scale division is always smaller than one main scale…

The least count of a screw gauge is 0.01 mm. If the pitch is increased by 75 and the number of divisions on the circular scale is reduced…

For the determination of refractive index of glass slab, a travelling microscope is used whose main scale contains 300 equal divisions…

A spherometer has a circular base of radius 3.5 cm. The central screw moves 2 mm for every complete rotation. How many rotations should be…

If 50 Vernier divisions are equal to 49 main scale divisions of a traveling microscope and one smallest reading of the main scale is 0.5…

In a screw gauge, there are 100 divisions on the circular scale and the main scale moves by 0.5 mm on a complete rotation of the circular…

In an experiment with vernier calipers of least count 0.1 mm, when two jaws are joined together the zero of the vernier scale lies right to…