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NEET Physics: Wave motion longitudinal and transverse waves Practice Questions

15 free multiple-choice questions on Wave motion longitudinal and transverse waves (Oscillations and Waves) for NEET Physics, each with the correct answer and a step-by-step explanation. Attempt a question, then reveal the solution to check your reasoning.

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  1. Q1. Sound waves are an example of which type of wave?

    • AElectromagnetic wave
    • BStationary wave
    • CTransverse wave
    • DLongitudinal wave
    Show answer & explanation

    Correct answer: D — Longitudinal wave

    Sound waves involve the compression and rarefaction of the medium, which is the definition of a longitudinal wave.

  2. Q2. What property describes the displacement of a particle in a transverse wave?

    • ACompression and rarefaction
    • BOscillation perpendicular to the direction of propagation
    • CLongitudinal displacement
    • DParallel motion
    Show answer & explanation

    Correct answer: B — Oscillation perpendicular to the direction of propagation

    In a transverse wave, the particles of the medium move up and down or side to side, which is perpendicular to the direction the wave is moving.

  3. Q3. Longitudinal waves are commonly exhibited by waves that travel through:

    • AVacuum only
    • BSolids and Fluids
    • COnly electromagnetic fields
    • DOnly light
    Show answer & explanation

    Correct answer: B — Solids and Fluids

    Longitudinal waves, like sound waves, require a medium (solids, liquids, gases) to propagate because they involve the compression and rarefaction of the medium particles.

  4. Q4. A wave that requires a medium for propagation is fundamentally classified as which type of wave?

    • AElectromagnetic wave
    • BMechanical wave
    • CRadio wave
    • DLight wave
    Show answer & explanation

    Correct answer: B — Mechanical wave

    Mechanical waves, such as sound waves, are waves of motion that require a physical medium (like air, water, or solids) to travel.

  5. Q5. Which type of wave motion involves the particles of the medium oscillating parallel to the direction of wave propagation?

    • AStanding wave
    • BTransverse wave
    • CLongitudinal wave
    • DSurface wave
    Show answer & explanation

    Correct answer: C — Longitudinal wave

    In a longitudinal wave, the particles of the medium vibrate parallel to the direction the wave travels.

  6. Q6. In a longitudinal wave, the particles of the medium oscillate:

    • AOnly due to external force
    • BAt a fixed point
    • CPerpendicular to the direction of wave propagation
    • DIn the direction of wave propagation
    Show answer & explanation

    Correct answer: D — In the direction of wave propagation

    In a longitudinal wave (like sound waves), the particles of the medium oscillate parallel to the direction in which the wave travels.

  7. Q7. In a transverse wave, the direction of oscillation of the medium particles is generally:

    • ARandom
    • BPerpendicular to the direction of wave propagation
    • CParallel to the direction of wave propagation
    • DAt an angle to the direction of wave propagation
    Show answer & explanation

    Correct answer: B — Perpendicular to the direction of wave propagation

    In a transverse wave, the medium particles oscillate perpendicular (at right angles) to the direction in which the wave is traveling.

  8. Q8. A longitudinal wave travels through a medium. The motion of the particles in this medium is best described as:

    • AMotion that depends only on the wavelength
    • BOscillatory motion perpendicular to propagation
    • COscillatory motion parallel to propagation
    • DOscillatory motion in elliptical paths
    Show answer & explanation

    Correct answer: C — Oscillatory motion parallel to propagation

    Longitudinal waves are characterized by compressions and rarefactions, meaning the particles oscillate parallel to the wave direction.

  9. Q9. Longitudinal waves are characterized by particle motion that is:

    • APerpendicular to the direction of wave travel
    • BOscillating only in one dimension
    • CParallel to the direction of wave travel
    • DTransverse to the direction of wave travel
    Show answer & explanation

    Correct answer: C — Parallel to the direction of wave travel

    In a longitudinal wave, the particles of the medium oscillate parallel to the direction of wave propagation.

  10. Q10. The property of a wave that describes the maximum displacement or amplitude of the oscillation is known as:

    • AWavelength
    • BAmplitude
    • CFrequency
    • DVelocity
    Show answer & explanation

    Correct answer: B — Amplitude

    Amplitude is the maximum displacement or distance moved by a point on a vibrating body or wave from its equilibrium position.

  11. Q11. In a longitudinal wave, the direction of particle oscillation is:

    • APerpendicular to the direction of wave propagation
    • BAt an angle to the direction of wave propagation
    • CParallel to the direction of wave propagation
    • DRandomly oriented
    Show answer & explanation

    Correct answer: C — Parallel to the direction of wave propagation

    In a longitudinal wave, the particles of the medium oscillate parallel to the direction in which the wave is traveling.

  12. Q12. Which type of wave can propagate through a vacuum?

    • ALongitudinal wave
    • BTransverse wave
    • CElectromagnetic wave
    • DSound wave
    Show answer & explanation

    Correct answer: C — Electromagnetic wave

    Only electromagnetic waves (like light) can travel through a vacuum without any medium. Sound waves and mechanical waves require a medium.

  13. Q13. In a longitudinal wave, the motion of the particles of the medium is best described as:

    • AOscillating up and down in the direction of wave travel
    • BOscillating perpendicular to the direction of wave travel
    • COscillating randomly
    • DOscillating parallel to the direction of wave travel
    Show answer & explanation

    Correct answer: D — Oscillating parallel to the direction of wave travel

    Longitudinal waves involve oscillations parallel to the direction of wave propagation (compression and rarefaction) along the axis of wave travel.

  14. Q14. A wave described by y = A sin(ωt) represents a wave where the displacement is in the:

    • ALongitudinal direction
    • BParallel direction
    • CPerpendicular direction
    • DTransverse direction
    Show answer & explanation

    Correct answer: D — Transverse direction

    In the standard sinusoidal wave equation (y = A sin(ωt)), y represents the displacement, which is typically taken as the transverse displacement (perpendicular to the direction of propagation).

  15. Q15. In a longitudinal wave, the displacement of the particles is:

    • AZero
    • BParallel to the direction of wave motion
    • CPerpendicular to the wave motion
    • DIn phase with the wave motion
    Show answer & explanation

    Correct answer: B — Parallel to the direction of wave motion

    For a longitudinal wave, the particles of the medium vibrate parallel to the direction the wave is moving.

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