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Friday, 9 October

JEE Main 2023 · PhysicsMultiple choiceDiagram basedEasyData or graph

JEE Main 11 April 2023, Shift 1, Physics Q42

Question 42 of 90 in this shift, Physics question 12 of 30, Section A.

The variation of kinetic energy (KE) of a particle executing simple harmonic motion with the displacement (xx) starting from mean position to extreme position (A) is given by

The figure, in words

Four KE vs x graphs (x from 0 to extreme position A) given as the options.
  1. (1)[figure: graph of KE vs x from 0 to A, straight line rising from the origin]
  2. (2)[figure: graph of KE vs x from 0 to A, horizontal line (constant KE)]
  3. (3)[figure: graph of KE vs x from 0 to A, convex curve rising from the origin]
  4. (4)[figure: graph of KE vs x from 0 to A, KE maximum at x = 0 decreasing in a concave (elliptical) curve to zero at x = A]Official answer

Official answer

Option 4

NTA final key.

Chapter
Oscillations
Topic
Energy in SHM
Idea tested
Energy-Displacement Graphs

Same topic in other shifts

All Energy in SHM questions
  1. 6 Apr 2026, Shift 2 · Q36A spring stretches by 2 mm when it is loaded with a mass of 200 g. From equilibrium position the mass is further pulled down by 2 mm and…MediumSingle correct
  2. 29 Jan 2024, Shift 1 · Q54When the displacement of a simple harmonic oscillator is one third of its amplitude, the ratio of total energy to the kinetic energy is…EasyNumerical value
  3. 13 Apr 2023, Shift 2 · Q40A particle executes SHM of amplitude A. The distance from the mean position when its's kinetic energy becomes equal to its potential…EasySingle correct
  4. 29 Jun 2022, Shift 1 · Q54A body is performing simple harmonic with an amplitude of 10 cm. The velocity of the body was tripled by air Jet when it is at 5 cm from…MediumNumerical value
  5. 2 Apr 2017 (offline) · Q12A particle is executing simple harmonic motion with a time period T. At time t=0t=0, it is at its position of equilibrium. The kinetic…MediumSingle correctHas 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. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.