JEE Main · Physics · Waves
Effect of Filing Fork
JEE Main asked Effect of Filing Fork once in the 108 shifts Lumi analysed, on 26 Feb 2021, Shift 2. It belongs to Beats, in Waves (Physics).
Updated 2026-10-24
- Times asked
- 1
- in 1 shift
- Years
- 1 of 8
- First asked
- 2021
- the only year
- Pattern
- Gone quiet
- asked once so far
Questions on this idea a shift, by year
2017–2026. Asked in 2021. 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: 1 in 24 shifts · 2022: 0 in 24 shifts · 2023: 0 in 12 shifts · 2024: 0 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.
- Unknown frequency from beats after filing fork
Difficulty
The question was multiple choice.
Every question
The question
From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.
Shift: 26 Feb 2021, Shift 2.
Same topic
Other ideas in Beats
Beats has 4 ideas JEE Main has asked; 0 of them came up in more than one question.
- Resultant Wave Equation in Beatsonce · 2025
- Beat Frequency Calculationonce · 2022
- Frequency Calculation in a Tuning Fork Seriesonce · 2022