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Saturday, 31 October

JEE Main · Physics · Gravitation

Period Variation with Altitude and Depth

JEE Main asked Period Variation with Altitude and Depth 2 times in 2 of the 108 shifts Lumi analysed, all in 2024. It belongs to Pendulums, in Gravitation (Physics). In 2024 it came in more than one shift of the same year.

Updated 2026-10-24

Times asked
2
in 2 shifts
Years
1 of 8
First asked
2024
the only year
Pattern
New since 2024
across the analysed shifts

Questions on this idea a shift, by year

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

00.050.10’170’200’210’220’230.09’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 0 in 24 shifts · 2022: 0 in 24 shifts · 2023: 0 in 12 shifts · 2024: 2 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
  • 20242 of 18
  • 20230 of 12
  • 20220 of 24
  • 20210 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: application.

  • Length of seconds pendulum at altitude
  • Pendulum period at different heights above earth

Difficulty

Easy 0Medium 2Hard 0

Every question was multiple choice.

Every question

All 2 questions

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

  1. 1 Feb 2024, Shift 1 · Q36If R is the radius of the earth and the acceleration due to gravity on the surface of earth is g = π2\pi^2 m/s2^2, then the length of the…MediumSingle correct
  2. 5 Apr 2024, Shift 1 · Q40A simple pendulum doing small oscillations at a place R height above earth surface has time period of T1=4T_1 = 4 s. T2T_2 would be it's…MediumSingle correct

Shifts: 1 Feb 2024, Shift 1, 5 Apr 2024, Shift 1.

Same topic

Other ideas in Pendulums

Pendulums has 10 ideas JEE Main has asked; 5 of them came up in more than one question.

Topic analysisChapter analysisStudy this chapterAll repeated ideas