JEE Main Waves and Sound questions with solutions
Travelling and standing waves, sound intensity, resonance and Doppler effect. 23 questions from our 2016–2025 JEE Main pattern papers, from the Class 11 Physics syllabus. Each has the answer and a full solution.
Also practise: Waves and Sound for JEE Advanced
JEE Main 2025
JEE Main 2024
JEE Main 2023
- A sonometer wire vibrates in its fundamental mode at 300 Hz. Its tension is now increased by 2% and, at the same time, the vibrating length is…
- In a Young's double-slit experiment the slits are 1.0 mm apart and the screen is 1.0 m away. The whole apparatus is immersed in a liquid of…
- In a resonance-tube experiment with a tuning fork of frequency 400 Hz, the first and second resonances occur at air-column lengths of 20 cm and 62…
JEE Main 2022
JEE Main 2021
- A source of frequency 1440 Hz moves at 20 m s^-1 directly towards a large flat wall. A stationary observer stands on the line of motion behind the…
- In a Young's double slit experiment d=0.5 mm, D=1 m and λ=600 nm. A thin transparent film of refractive index 1.5 and thickness 6 mum is placed in…
- A closed organ pipe is excited by a tuning fork of frequency 500 Hz. Resonance is first obtained when the air column is 15 cm long, and the next…
JEE Main 2020
- At 27^circC the fundamental frequency of a pipe closed at one end is exactly 200 Hz. The pipe is then filled with air at 159^circC. If a tuning fork…
- A source emitting a note of frequency 1155 Hz moves at 10 m s^-1 directly towards a large flat wall. A stationary listener stands on the line joining…
- In a Young's double slit experiment, the slit separation is 0.5 mm, the screen is 1 m away and λ = 500 nm. The maximum intensity is Imax. A point P…
JEE Main 2019
- A stretched wire in a sonometer, kept under tension by a hanging metal block, vibrates in its fundamental mode at 300 Hz. The block has density 4000…
- A source emitting a note of frequency 680 Hz moves at 10 m s^-1 directly toward a large plane wall. A stationary observer stands on the line of…
- Unpolarised light of intensity I0 passes through three ideal polaroids in succession. The pass axis of the second makes an angle of 30^° with that of…
JEE Main 2018
JEE Main 2017
JEE Main 2016
Other Physics topics
Atoms, Nuclei and Dual Nature of Radiation 29Calorimetry and Heat Transfer 13Capacitors 10Current Electricity 13Electromagnetic Induction and Alternating Current 16Electrostatics 15Fluid Mechanics, Elasticity and Surface Tension 15Gravitation 10Kinematics and Laws of Motion 27Magnetic Effects of Current 24Ray and Wave Optics 16Rotational Motion 16Semiconductors and Communication 11Simple Harmonic Motion 11Thermodynamics and Kinetic Theory of Gases 19Units and Measurements 10Work, Energy and Power 11