Learn

Saturday, 31 October

JEE Main · Physics · Work, Energy and Power

Kinetic Energy Calculation

JEE Main asked Kinetic Energy Calculation 4 times in 4 of the 108 shifts Lumi analysed, in 2021, 2022, 2023 and 2024. It belongs to Work and Kinetic Energy, in Work, Energy and Power (Physics). The longest wait between two years asking it was 1 year.

Updated 2026-10-24

Times asked
4
in 4 shifts
Years
4 of 8
First asked
2021
last in 2024
Pattern
Comes in cycles
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2021, 2022, 2023 and 2024. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Physics questions.

00.050.10’170’200.03’210.03’220.07’230.05’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 1 in 24 shifts · 2022: 1 in 24 shifts · 2023: 1 in 12 shifts · 2024: 1 in 18 shifts · 2025: 0 in 8 shifts · 2026: 0 in 9 shifts.

Shift by shift

Each square is one analysed shift, in date order. Open a filled one for that paper.

  • 20260 of 9
  • 20250 of 8
  • 20241 of 18
  • 20231 of 12
  • 20221 of 24
  • 20211 of 24
  • 20200 of 12
  • 20170 of 1

Asked in that shift More than once Not asked

How JEE Main framed it

Single correct is the usual form. Skill tested: calculation.

  • Energy ratio for successive speed gains
  • Percentage loss of kinetic energy

Difficulty

Easy 3Medium 1Hard 0

1 of the 4 questions had a numerical answer.

Every question

All 4 questions

From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.

  1. 6 Apr 2024, Shift 1 · Q50A bullet of mass 50gg is fired with a speed 100 m/s on a plywood and emerges with 40 m/s. The percentage loss of kinetic energy is :EasySingle correct
  2. 13 Apr 2023, Shift 2 · Q51A car accelerates from rest to u m/s. The energy spent in this process is E J. The energy required to accelerate the car from u m/s to 2u…EasyNumerical value
  3. 28 Jul 2022, Shift 2 · Q5A bullet of mass 200 g having initial kinetic energy 90 J is shot inside a long swimming pool as shown in the figure. If it's kinetic…MediumSingle correctHas a figure
  4. 17 Mar 2021, Shift 1 · Q12A boy is rolling a 0.5 kg ball on the frictionless floor with the speed of 20 ms−1^{-1}. The ball gets deflected by an obstacle on the…EasySingle correct

Shifts: 17 Mar 2021, Shift 1, 28 Jul 2022, Shift 2, 13 Apr 2023, Shift 2, 6 Apr 2024, Shift 1.

Same topic

Other ideas in Work and Kinetic Energy

Work and Kinetic Energy has 21 ideas JEE Main has asked; 14 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisStudy this chapterAll repeated ideas