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Friday, 9 October

JEE Main 2026 · PhysicsMultiple choiceSingle correctMediumMulti-step

JEE Main 6 April 2026, Shift 2, Physics Q36

Question 36 of 75 in this shift, Physics question 11 of 25, Section A.

A 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 released. The frequency associated with the system and maxmimum energy in the spring are __________ Hz and __________ J, respectively. (Take g = 10 m/s2^2)
  1. (1)550π\frac{5\sqrt{50}}{\pi} and 8×10−38\times10^{-3}Official answer
  2. (2)550π\frac{5\sqrt{50}}{\pi} and 8
  3. (3)105010\sqrt{50} and 2×10−32\times10^{-3}
  4. (4)550π\frac{5\sqrt{50}}{\pi} and 16×10−316\times10^{-3}

Official answer

Option 1

NTA final key.

Chapter
Oscillations
Topic
Energy in SHM
Idea tested
Total Mechanical Energy

Same topic in other shifts

All Energy in SHM questions
  1. 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
  2. 11 Apr 2023, Shift 1 · Q42The variation of kinetic energy (KE) of a particle executing simple harmonic motion with the displacement (xx) starting from mean…EasyDiagram basedHas a figure
  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. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.