Gauss law cannot be used to find which of the following quantity?
- Permittivity
- Charge
- Electric flux density
- Electric field intensity
Reducing mass M of spring suspending body to one fourth will change the frequency of oscillation to
- Double
- One fourth
- Quadruple
- Half
When will the oscillation stop in the absence of resistive forces
- Immediately
- After 10 minutes
- In 10 minutes
- Never
The shortest distance between any two points in phase on a wave is called
- Wavelength
- Displacement
- Amplitude
- Frequency
Which of the following increase by increasing amplitude?
- Frequently
- Zero
- Wavelength
- Loudness
If a flywheel is rotating at 3.0 rad/s, the time takes to complete one revolution is about
- 2.1 s
- 0.067 s
- 1.0 s
- 1.3 s
The number of revolution in 3n radians is
- 3 / 2
- 6
- 2
- 1 / 60
A particle of mass m at rest is acted upon by a force P for time t. Its kinetic energy after time t is :
- (P^2 t^2)/m
- (P^2 t^2)/4m
- (P^2 t^2)/2m
- (P^2 t^2)/3m
The consumption of energy by a 60 W bulb in 2s is:
- 30 J
- 120 J
- 60 J
- 0.02 J
A stone thrown horizontally from top of a tall building follows a path that is
- Parabolic
- Circular
- Made of two straight line segments
- Hyperbolic
