NEET Physics Question - Oscillation

Assertion (A): Vibration of polyatomic molecules is not simple harmonic motion.

Reason (R): The vibrations are superposition of SHMs of different frequency.

Both (A) & (R) are true and the (R) is the correct explanation of the (A)

Both (A) & (R) are true but the (R) is not the correct explanation of the (A)

(A) is true but (R) is false

Both (A) and (R) are false

Solution:

Vibration of polyatomic molecules involves multiple normal modes, each with a different frequency. The total vibration is a superposition of these individual SHMs.
This complex, multi-frequency nature means the overall motion is not a single SHM. Both A and R are true, and R explains A.

Rankers Physics

Vibration of Polyatomic Molecules

Solution:

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