Questions in Oscillations

Select	Question
	If the displacement of a particle executing SHM is $x = a \cos \omega t$, which of the graph between K.E. and time is correct ?
	If the displacement of a particle executing SHM is $x = a \cos \omega t$, which of the graph between P.E. and time is correct ?
	The energy at the mean position of a pendulum will be:
	The total energy of a particle executing SHM is directly proportional to the square of the following quantity.
	The total energy of a vibrating particle in SHM is $E$. If its amplitude and time period are doubled, its total energy will be:
	The total vibrational energy of a particle in S.H.M. is $E$. Its kinetic energy at half the amplitude from mean position will be:
	If total energy of a particle in SHM is $E$, then the potential energy of the particle at half the amplitude will be-
	A particle executes SHM on a line $8$ cm long. Its K.E. and P.E. will be equal when its distance from the mean position is:
	The energy of a simple harmonic oscillator in the state of real is 3 joules. If its mean K.E. is 4 joules, its total energy will be:
	The total energy of a harmonic oscillator of mass 2kg is 9 joules. If its energy at rest is 5 joules, its K.E. at the mean position will be: