RE-NEET2026Physics-Oscillations
RE-NEET 2026 Physics Simple Harmonic Motion MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Consider a spring-mass simple harmonic oscillator in one dimension. The mass of the particle is m kg and the spring constant is k Nm⁻¹. At a given instant, the extension of the spring is x meter and the speed of the particle is v meter/s. On the x - v plane, if the graph of v as a function of x is a circle, then the correct option is:
A
k = m
B
k = m²
C
k = √m
D
k = 1/m
Correct Answer
Option A
Detailed Explanation
For a circular trajectory in the x-v plane, the condition is k/m = 1, hence k = m.
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