AIIMS2018Physics-Oscillations

AIIMS 2018 Physics Simple Harmonic Motion MCQ Question

Type: MCQ-conceptual-Medium-Class 11

What do you conclude from the graph about the frequency of KE, PE and SHM.

Question diagram
A

Frequency of KE and PE is four times the frequency of SHM.

B

Frequency of KE and PE is double the frequency of SHM.

C

Frequency of PE is double the frequency of KE.

D

Frequency of KE and PE is equal to the frequency of SHM.

Correct Answer

Option A

Detailed Explanation

In simple harmonic motion (SHM), the kinetic energy (KE) and potential energy (PE) oscillate with the same frequency as the motion itself. However, if KE and PE complete two vibrations while SHM completes one, their frequency is effectively doubled compared to the frequency of SHM. This means that for every cycle of SHM, KE and PE undergo two complete cycles, confirming that their frequency is indeed twice that of the SHM. Other options are not applicable as they do not provide relevant information or alternative scenarios regarding the relationship between KE, PE, and SHM frequency.

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