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Saturday, 31 October

JEE Main 2022 · PhysicsMultiple choiceDiagram basedEasyData or graph

JEE Main 26 June 2022, Shift 1, Physics Q36

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

The variation of acceleration due to gravity (g) with distance (r) from the center of the earth is correctly represented by : (Given R=radius of earth)

The figure, in words

Four graphs of g against r with R marked on the r axis in options A, B and D.
  1. (1)[figure: graph of g vs r; straight line rising from the origin to a peak at r=R (dotted vertical line at R), then a curve decreasing for r>R]Official answer
  2. (2)[figure: graph of g vs r; horizontal line at a constant nonzero g up to r=R (dotted vertical line at R), then a curve decreasing for r>R]
  3. (3)[figure: graph of g vs r; a single decreasing curve, high at small r and falling toward the r axis, no R marked]
  4. (4)[figure: graph of g vs r; a curved line rising (concave up) from the origin to a sharp peak at r=R (dotted vertical line at R), then a curve decreasing for r>R]

Official answer

Option 1

NTA final key.

Chapter
Gravitation
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

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. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.