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Friday, 9 October

JEE Main 2025 · PhysicsMultiple choiceSingle correctEasyApplication

JEE Main 3 April 2025, Shift 1, Physics Q28

Question 28 of 75 in this shift, Physics question 3 of 25, Section A.

A particle is released from height S above the surface of the earth. At certain height its kinetic energy is three times its potential energy. The height from the surface of the earth and the speed of the particle at that instant are respectively.
  1. (1)S4,3gS2\frac{S}{4}, \frac{3gS}{2}
  2. (2)S4,3gS2\frac{S}{4}, \sqrt{\frac{3gS}{2}}Official answer
  3. (3)S2,3gS2\frac{S}{2}, \sqrt{\frac{3gS}{2}}
  4. (4)S2,3gS2\frac{S}{2}, \frac{3gS}{2}

Official answer

Option 2

NTA final key.

Chapter
Work, Energy and Power
Topic
Work and Kinetic Energy
Idea tested
Conservation of Mechanical Energy

Same idea in other shifts

Asked 2× in all
  1. 18 Mar 2021, Shift 1 · Q24As shown in the figure, a particle of mass 10 kg is placed at a point A. When the particle is slightly displaced to its right, it starts…EasyNumerical valueHas a figure

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.