JEE Main · Physics · Laws of Motion
Coin Slipping on a Rotating Disc
JEE Main asked Coin Slipping on a Rotating Disc 2 times in 2 of the 108 shifts Lumi analysed, in 2022 and 2024. It belongs to Circular Motion, in Laws of Motion (Physics). The longest wait between two years asking it was 2 years.
Updated 2026-10-24
- Times asked
- 2
- in 2 shifts
- Years
- 2 of 8
- First asked
- 2022
- last in 2024
- Pattern
- Occasional
- across the analysed shifts
Questions on this idea a shift, by year
2017–2026. Asked in 2022 and 2024. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Physics questions.
Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 0 in 24 shifts · 2022: 1 in 24 shifts · 2023: 0 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.
How JEE Main framed it
Single correct is the usual form. Skill tested: application.
- Maximum angular speed before coin slips
- Condition to stay on rotating disc
Difficulty
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.
- 31 Jan 2024, Shift 1 · Q33A coin is placed on a disc. The coefficient of friction between the coin and the disc is . If the distance of the coin from the…EasySingle correct
- 25 Jun 2022, Shift 2 · Q33A disc with a flat small bottom beaker placed on it at a distance from its center is revolving about an axis passing through the…EasySingle correct
Shifts: 25 Jun 2022, Shift 2, 31 Jan 2024, Shift 1.
Same topic
Other ideas in Circular Motion
Circular Motion has 15 ideas JEE Main has asked; 9 of them came up in more than one question. The 12 most asked are below.
- Vertical Circular Motion7× · 2022
- Centripetal Acceleration6× · 2024
- Spring-Mass in Circular Motion5× · 2023
- Angular and Linear Kinematics3× · 2026
- Centrifugal Pseudo-Force3× · 2024
- Banking of Roads2× · 2024
- Friction on Unbanked Flat Curves2× · 2022
- Conical Pendulum Dynamics2× · 2021
- Pendulum in an Accelerating Turning Vehicleonce · 2026
- Coin on a Rotating Turntableonce · 2023
- Breaking Tension Limitsonce · 2022
- Rotating Liquid Tubeonce · 2022