A particle of mass \(m\) oscillates with simple harmonic motion between points \(x_1\) and \(x_2\), the equilibrium position being \(O\). Its potential energy is plotted. It will be as given below in the graph:

1. 2.
3. 4.
Subtopic:  Energy of SHM |
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Level 1: 80%+
AIPMT - 2003

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Equation of a simple harmonic motion is given by \(x= a\sin \omega t\). For which value of \(x\), kinetic energy is equal to the potential energy?
1. \(x = \pm a\)
2. \(x = \pm \frac{a}{2}\)
3. \(x = \pm \frac{a}{\sqrt{2}}\)
4. \(x = \pm \frac{\sqrt{3}a}{2}\)
Subtopic:  Energy of SHM |
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The potential energy of a simple harmonic oscillator, when the particle is halfway to its endpoint, will be:
1. \(\frac{2E}{3}\)
2. \(\frac{E}{8}\)
3. \(\frac{E}{4}\)
4. \(\frac{E}{2}\)

Subtopic:  Energy of SHM |
 82%
Level 1: 80%+
AIPMT - 2003

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When the displacement is half the amplitude in an SHM, the ratio of potential energy to the total energy is:
1. \(\frac{1}{2}\)
2. \(\frac{1}{4}\)
3. \(1\)
4. \(\frac{1}{8}\)
Subtopic:  Energy of SHM |
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The kinetic energy \((K)\) of a simple harmonic oscillator varies with displacement \((x)\) as shown. The period of the oscillation will be: (mass of oscillator is \(1\) kg)

                     
1. \(\frac{\pi}{2}~\text{s}\)
2. \(\frac{1}{2}~\text{s}\)
3. \(\pi~\text{s}\)
4. \(1~\text{s}\)

Subtopic:  Energy of SHM |
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A block of mass \(4~\text{kg}\) hangs from a spring of spring constant \(k = 400~\text{N/m}\). The block is pulled down through \(15~\text{cm}\) below the equilibrium position and released. What is its kinetic energy when the block is \(10~\text{cm}\) below the equilibrium position? [Ignore gravity]
1. \(5~\text{J}\)
2. \(2.5~\text{J}\)
3. \(1~\text{J}\)
4. \(1.9~\text{J}\)

Subtopic:  Energy of SHM |
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Level 2: 60%+

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Kinetic energy of a particle executing simple harmonic motion in straight line is \(pv^2\) and potential energy is \(qx^2,\) where \(v\) is speed at distance \(x\) from the mean position. The time period of the SHM is given by the expression:
1. \(2\pi \sqrt{\frac{q}{p}}\)
2. \(2\pi \sqrt{\frac{p}{q}}\)
3. \(2\pi \sqrt{\frac{q}{p+q}}\)
4. \(2\pi \sqrt{\frac{p}{p+q}}\)
Subtopic:  Energy of SHM |
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The total energy of a particle, executing simple harmonic motion is:
1. \(\propto x\)
2. \(\propto x^2\)
3. Independent of \(x\)
4. \(\propto x^{\frac{1}{2}}\)
Subtopic:  Energy of SHM |
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If the potential energy \(U\) \((\text{in J})\) of a body executing SHM is given by \(U = 20+ 10(\sin^2 100\pi t),\) then the minimum potential energy of the body will be:
1. Zero 2. \(30~\text{J}\)
3. \(20~\text{J}\) 4. \(40~\text{J}\)
Subtopic:  Energy of SHM |
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The displacement between the maximum potential energy position and maximum kinetic energy position for a particle executing simple harmonic motion is:
1. \(\pm \frac{a}{2}\)
2. \(+a\)
3. \(\pm a\)
4. \(-1\)

Subtopic:  Energy of SHM |
 76%
Level 2: 60%+
AIPMT - 2002

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