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Saturday, 31 October

JEE Main 2024 · PhysicsMultiple choiceSingle correctMediumMulti-step

JEE Main 30 January 2024, Shift 1, Physics Q36

Question 36 of 90 in this shift, Physics question 6 of 30, Section A.

The gravitational potential at a point above the surface of earth is −5.12×107 J/kg-5.12\times10^{7}\ \mathrm{J/kg} and the acceleration due to gravity at that point is 6.4 m/s26.4\ \mathrm{m/s^2}. Assume that the mean radius of earth to be 6400 km. The height of this point above the earth's surface is :
  1. (1)1600 kmOfficial answer
  2. (2)1000 km
  3. (3)540 km
  4. (4)1200 km

Official answer

Option 1

NTA final key.

Chapter
Gravitation
Topic
Gravitational Potential
Idea tested
Potential-Field Relation

Same idea in other shifts

Asked 2× in all
  1. 4 Sep 2020, Shift 1 · Q5On the xx-axis and at a distance xx from the origin, the gravitational field due to a mass distribution is given by…MediumSingle correct

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 108 of the 174 JEE Main shifts held from 2017 to 2026.