7 JEE Main 2021 Experimental Physics previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2021 previous-year questions from the Experimental Physics chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Experimental Physics chapter hub.
The pitch of the screw gauge is 1   mm and there are 100 divisions on the circular scale. When nothing is put in b…
The vernier scale used for measurement has a positive zero error of 0 . 2   mm . If while taking a measurement it…
The diameter of a spherical bob is measured using a vernier callipers. 9 divisions of the main scale, in the vernier ca…
One main scale division of a vernier callipers is a cm and n th division of the vernier scale coincide with n - 1 th di…
Student A and student B used two screw gauges of equal pitch and 100 equal circular divisions to measure the radius of…
Assertion   A : If in five complete rotations of the circular scale, the distance travelled on the main scale of t…
In a Screw Gauge, fifth division of the circular scale coincides with the reference line when the ratchet is closed. Th…