JEE Main Physics · Waves
Sonometer Laws
Sonometer Laws (Waves) was asked 4 times in 4 JEE Main shifts, 2020–2023, out of the 42 shifts Lumi analysed. 2 of the 4 had a numerical answer.
- Times asked
- 4
- in 4 shifts
- Years
- 2020–2023
- Usual format
- Numerical value
- Calculation
- Pattern
- Occasional
- repeats across shifts
How it is asked
- Sonometer mass from frequencies
- String length from fundamental frequency
Difficulty
Easy 3Medium 1Hard 0
Where it sits
Chapter: Waves. Topic: Waves on Strings, 12 questions over 6 ideas.
Other repeat ideas in this topic
Every time it came
All 4 questions
Newest first, each with its options and official answer.
- 8 Apr 2023, Shift 2 · Q51A guitar string of length 90 cm vibrates with a fundamental frequency of 120 Hz. The length of the string producing a fundamental…EasyNumerical value
- 13 Apr 2023, Shift 2 · Q54In an experiment with sonometer when a mass of 180 g is attached to the string, it vibrates with fundamental frequency of 30 Hz. When a…EasyNumerical value
- 9 Jan 2020, Shift 2 · Q11A wire of length and mass per unit length is put under tension of 540 N. Two consecutive…MediumSingle correct
- 2 Sep 2020, Shift 1 · Q10Two identical strings and made of same material have tension and in them. If their fundamental frequencies are 450 Hz…EasySingle correct