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Dimensional Analysis

The physical ...

Question

The physical quantity conserved in simple harmonic motion is

A

time period

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B

total energy

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C

potential energy

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D

kinetic energy

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Solution

The correct option is A total energy
KE and PE vary with time and displacement from mean (KE= 0 at extremes, PE=0 at mean)
Total energy is always conserved and equal to $0.5 m A^{2} ω^{2}$

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