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.	$\frac{\mathrm{\pi }}{2}$ sec	2.	$\frac{1}{2}$ sec
3.	$\mathrm{\pi }$ sec	4.	1 sec

The equation of an SHM is given as y=3sinωt + 4cosωt where y is in centimeters. The amplitude of the SHM will be?

The equation of a SHM is given as $\mathrm{x} = 5\sin \left(4\mathrm{\pi t} + \frac{\mathrm{\pi }}{3}\right)$, where \(\mathrm t\) is in seconds and \(\mathrm x\) in meters. During a complete cycle, the average speed of the oscillator is:
1. zero
2. \(10\) m/s 
3. \(20\) m/s
4. \(40\) m/s

The equation of a simple harmonic oscillator is given as $\mathrm{y} = \mathrm{Asin}\left(20\mathrm{\pi t} + \frac{\mathrm{\pi }}{3}\right)$, where t is in seconds. The frequency with which kinetic energy oscillates is

1.  5 Hz

2.  10 Hz 

3.  20 Hz

4.  40 Hz

What is the period of oscillation of the block shown in the figure?

      

1.  \(2\pi \sqrt{\frac{M}{k}}\)
2. \(2\pi \sqrt{\frac{4M}{k}}\)
3. \(\pi \sqrt{\frac{M}{k}}\)
4. \(2\pi \sqrt{\frac{M}{2k}}\)

If a simple pendulum is brought deep inside a mine from the earth's surface, its time period of oscillation will:

The amplitude of a simple harmonic oscillator is A and speed at the mean position is ${\mathrm{v}}_0$. The speed of the oscillator at the position $\mathrm{x} = \frac{\mathrm{A}}{\sqrt{3}}$ is:

1.  $\frac{2v_0}{\sqrt{3}}$

2.  $\frac{\sqrt{2}{v}_0}{3}$

3.  $\frac{2}{3}{v}_0$

4.  $\frac{\sqrt{2}{v}_0}{\sqrt{3}}$

The initial phase of the particle executing SHM with y = 4 sin $\mathrm{\omega }$t + 3 cos $\mathrm{\omega }$t is 

1.  53°

2.  37° 

3.  90°

4.  45°

A spring-block system is brought from the earth's surface to deep inside the mine. Its period of oscillation will:

A particle executes S.H.M with amplitude A. If the time taken by the particle to travel from -A to A/2 is 4 seconds, its time period is 

1.  4s

2.  8s 

3.  12 s

4.  18 s