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JEE Main 2025 Apr 3 Shift 1, Physics Q7: Simple Harmonic Motion And Oscillation

JEE Main2025Apr 3, Shift 1Physics
Q.

Which of the following curves possibly represent one-dimensional motion of a particle ?

Choose the correct answer from the options given below :

  1. A

    A, B and D only

  2. B

    A, B and C only

  3. C

    A and B only

  4. D

    A, C and D only

Solution

(A) Phase varies linearly with time, e.g. . This describes SHM where . Allowed. ✓

(B) Velocity vs displacement forming a circle corresponds to , the phase-space trajectory of SHM. Allowed. ✓

(C) A circle on velocity vs time requires time to take negative values along part of the curve. Time cannot run backwards, so this is unphysical. ✗

(D) Total distance can only increase (or stay constant if the particle is at rest); a monotone non-decreasing curve is perfectly valid. ✓

Possible: A, B, D.

Concept behind this question

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