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Important Questions: Oscillations and Waves for JEE

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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 120+ 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.

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Subtopics in Oscillations and Waves

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Q1PhysicsUnit 10: Oscillations and Waves
Pitch of a note depends on its
Q2PhysicsUnit 10: Oscillations and Waves
When sound wave is refracted from air to water, which of the following will remain unchanged?
Q3PhysicsUnit 10: Oscillations and Waves
Two waves represented by y1=y_{1}= 10sin⁡(2000πt)10 \sin (2000 \pi t) and y2=y_{2}= 10sin⁡(2000πt+π/2)10 \sin (2000 \pi t+\pi / 2) are superimposed at any point at a particular instant. The resultant amplitude is?
Q4PhysicsUnit 10: Oscillations and Waves
In a standing wave, node is a point of
Q5PhysicsUnit 10: Oscillations and Waves
Assertion The graph between velocity and displacement for a harmonic oscillator is an ellipse. Reason Velocity does not change uniformly with displacement in harmonic motion.
Q6PhysicsUnit 10: Oscillations and Waves
The maximum acceleration of a particle in SHM is made two times keeping the maximum speed to be constant. It is possible when
Q7PhysicsUnit 10: Oscillations and Waves
A rubber string is tied to a nail on the wall. The rubber string is pulled gently to stretch slightly. Which of the following phenomena may occur after the release of the string?
Q8PhysicsUnit 10: Oscillations and Waves
A sonar device on a submarine send out a signal and receives an echo 5 seconds later. Calculate the speed of sound in water, if the distance of the object from the submarine is 3625m3625 \mathrm{m}

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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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