The motion of ceiling fan

  • is SHM
  • isn't SHM
  • Linear
  • quadratic

When a wave from one medium enters into the second medium at some angle, its direction of travel changes. This phenomenon is known as

  • refraction of waves
  • diffraction of waves
  • reflection of waves
  • deflection of waves

Shock absorbers in automobiles are one particle application of

  • linear motion
  • simple harmonic motion
  • damped motion
  • random motion

Waves which require any medium for their propagation are called

  • mechanical waves
  • electromagnetic waves
  • transverse waves
  • longitudinal waves

The number of cycles completed in one second of a vibrating body is called

  • time period
  • amplitude
  • frequency
  • wave length

The reciprocal of the time is

  • amplitude
  • frequency
  • wave length
  • speed

The distance between 2 consecutive crests or troughs is called

  • time period
  • amplitude
  • frequency
  • wave length

The mass doesn't stop at the mean position due to

  • Inertia
  • Friction
  • Torque
  • Gravity

If waves are reflected in the first medium after falling on the second medium then the angle of reflection and angle of incidence are

  • equal
  • unequal
  • undefined
  • undetermined

Waves which doesn't require any medium for their propagation are

  • electromagnetic
  • transverse
  • longitudinal
  • mechanical

The velocity of the wave with frequency 4Hz and wavelength 0.4m is

  • 8ms-1
  • 1.6ms-1
  • 16ms-1
  • 2ms-1

The frequency of simple pendulum 1 m long at a location where T = 1.99 s will be

  • 0.5 Hz
  • 2 Hz
  • 2.6 Hz
  • 3 Hz

If a body moves back and forth or to and fro about a point, then it is said to be

  • consistency
  • vibrating
  • rotating
  • displacing

In a vacuum, all electromagnetic waves have the same

  • frequency
  • amplitude
  • speed
  • wavelength

Waves which do not require any medium for their propagation are called

  • mechanical waves
  • electromagnetic waves
  • transverse waves
  • longitudinal waves

The period of the pendulum is independent of its

  • mass only
  • amplitude only
  • frequency
  • mass and amplitude

The maximum displacement of a body from its mean position is

  • time period
  • frequency
  • vibration
  • amplitude

According to Hooke's law, the force is directly proportional to change in

  • length
  • area
  • volume
  • mass

If speed of radio wave is 4×108ms-1, where 1M = 106. The wavelength of the radio waves transmitted at 80Mhz will be

  • 6 m
  • 10 m
  • 8 m
  • 5 m

Heatwaves are

  • electromagnetic
  • mechanical
  • transverse
  • chemical waves
0 h : 0 m : 1 s

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