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Physics · JEE

Important Questions: Oscillations and Waves for JEE

20+ syllabus-aligned questions available

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The most important Oscillations and Waves questions for JEE cover conceptual traps, standard results, and numerical patterns from Oscillations and periodic motion: time period, frequency, displacement as a function of time, periodic functions, Simple harmonic motion (S.H.M.) and its equation, phase, Oscillations of a spring: restoring force and force constant, Energy in S.H.M.: kinetic and potential energies, and more. Goodmarks provides 20+ high-yield MCQs with full solutions.

Focus on what matters most. These important Oscillations and Waves questions cover high-weightage concepts from Oscillations and periodic motion: time period, frequency, displacement as a function of time, periodic functions, Simple harmonic motion (S.H.M.) and its equation, phase, Oscillations of a spring: restoring force and force constant, Energy in S.H.M.: kinetic and potential energies, and more — the topics JEE repeats every year.

Subtopics in Oscillations and Waves

  • Oscillations and periodic motion: time period, frequency, displacement as a function of time, periodic functions
  • Simple harmonic motion (S.H.M.) and its equation, phase
  • Oscillations of a spring: restoring force and force constant
  • Energy in S.H.M.: kinetic and potential energies
  • Simple pendulum: derivation of expression for its time period
  • Wave motion, longitudinal and transverse waves, speed of the travelling wave, displacement relation for a progressive wave
  • Principle of superposition of waves, reflection of waves, standing waves in strings and organ pipes, fundamental mode and harmonics, beats

Free sample questions

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Q1PhysicsUnit 10: Oscillations and Waves
Pitch of a note depends on its
Q2PhysicsUnit 10: Oscillations and Waves
When a sound is going away from a stationary observer with the velocity equal to that of sound in air, then the frequency heard by observer is n times the original frequency. The value of n is
Q3PhysicsUnit 10: Oscillations and Waves
A train is approaching towards a platform with a speed of 10ms−110 m s^{-1} while blowing a whistle of frequency 340Hz340 \mathrm{Hz} What is the frequency of whistle heard by a stationary observer on the platform? Given speed of sound =340ms−1=340 m s^{-1}
Q4PhysicsUnit 10: Oscillations and Waves
Assertion For a particle performing SHM, its speed decreases as it goes away from the mean position. Reason In SHM, the acceleration is always opposite to the velocity of the particle.
Q5PhysicsUnit 10: Oscillations and Waves
A particle moves along the X-axis according to the equation x=\boldsymbol{x}= 10sin⁡3(πt).10 \sin ^{3}(\pi t) . the amplitudes and frequencies of component SHMs are
Q6PhysicsUnit 10: Oscillations and Waves
How does the sound produced by a vibrating object in a medium reach your ear?
Q7PhysicsUnit 10: Oscillations and Waves
Bats detect the obstacle in their path by receiving the detected
Q8PhysicsUnit 10: Oscillations and Waves
Assertion Path of a particle in SHM is always a straight line. Reason All straight line motions are not simple harmonic.

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Frequently asked questions

What makes a Oscillations and Waves question "important" for JEE?

Important questions test core concepts that appear frequently across JEE Main and Advanced papers — definitions, standard formulas, and classic problem types.

Which subtopics in Oscillations and Waves are high-weightage?

Key areas include Oscillations and periodic motion: time period, frequency, displacement as a function of time, periodic functions, Simple harmonic motion (S.H.M.) and its equation, phase, Oscillations of a spring: restoring force and force constant, Energy in S.H.M.: kinetic and potential energies, and more. Prioritise these before moving to edge cases.

How many important questions should I revise?

Revise 30–50 important MCQs per unit in the last month before JEE. Focus on questions you got wrong at least once.

Can I practise only important questions on Goodmarks?

Pro users can filter by unit and subtopic to target high-yield areas. Free users can attempt sample questions on this page.

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