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Saturday, 31 October

JEE Main 2021 · PhysicsMultiple choiceOtherEasyConceptual

JEE Main 26 August 2021, Shift 1, Physics Q15

Question 15 of 90 in this shift, Physics question 15 of 30, Section A.

Inside a uniform spherical shell : (a) the gravitational field is zero. (b) the gravitational potential is zero. (c) the gravitational field is same everywhere. (d) the gravitation potential is same everywhere. (e) all of the above Choose the most appropriate answer from the options given below :
  1. (1)(b), (c) and (d) only
  2. (2)(a), (b) and (c) only
  3. (3)(a), (c) and (d) onlyOfficial answer
  4. (4)(e) only

Official answer

Option 3

NTA final key.

Chapter
Gravitation
Topic
Gravitational Potential
Idea tested
Potential of Spherical Shell

Same idea in other shifts

Asked 2× in all
  1. 27 Aug 2021, Shift 2 · Q6A mass of 50 kg is placed at the centre of a uniform spherical shell of mass 100 kg and radius 50 m. If the gravitational potential at a…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.