JEE Main 2022PhysicsWork Power EnergyEasyMCQ

JEE Main 2022 — Work Power Energy Question with Solution

JEE Main 2022 (29 Jun Shift 2)

Question

In the given figure, the block of mass m is dropped from the point 'A'. The expression for kinetic energy of block when it reaches point 'B' is

Choose an option

Show full solutionCorrect option: A
Correct answer
Amgy0

Step-by-step explanation

Here, gain in kinetic energy=loss in potential energy

Now loss in potential energy of particle in falling from height y to y0 is mgy-y0.

So, ΔKE=K-0=-mgy-y0-mgy

Thus, kinetic energy at point B is K=mgy0

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About this question

This is a previous-year question from JEE Main 2022, covering the Work Power Energy chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.