The velocity of bob in SHM becomes zero at

  • mean position
  • in air
  • extreme position
  • middle of mean and extreme position

The kinetic energy of mass attached to spring at extreme position is

  • minimum
  • Maximum
  • moderate
  • zero

Time taken by the simple pendulum to complete one cycle is called its

  • time period
  • amplitude
  • frequency
  • wave length

When waves moving in one medium fall on the surface of another medium they bounce back into the first medium such that the angle of incidence is equal to the angle of reflection. This phenomenon is known as

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

Water waves and sound waves are the examples of

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

X-ray waves, television waves and radio waves are the examples of

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

The time period of a simple pendulum is independent of it's

  • length
  • friction
  • gravity
  • mass and amplitude

The mechanical waves in which particles of the medium vibrate about their mean position along the direction of propagation of the waves are called

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

Longitudinal waves move faster through

  • liquids
  • gases
  • solids
  • none of above

The mechanical waves in which particles of the medium vibrate about their mean position perpendicular to the direction of propagation of the waves are called

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

One complete round trip of a vibrating body about its mean position is called one

  • wave length
  • time period
  • amplitude
  • vibration

In Hooke's Law, F = -k x, the constant k is called the

  • velocity
  • speed constant
  • spring constant
  • time

Waves which require medium for propagation are

  • electromagnetic
  • mechanical
  • transverse
  • longitudinal

In a simple pendulum, the force acting along the string is

  • 0
  • mg sinθ
  • mg cosθ
  • 1

The number of vibrations of a body in one sec is called

  • frequency
  • amplitude
  • time period
  • vibration

A disturbance in the medium which causes the particles of the medium to undergo vibratory motion about their mean position in equal intervals of time is known as

  • wave
  • energy
  • vibration
  • amplitude

The to and fro oscillatory motion in which acceleration of the body is directly proportional to the displacement of the body from the mean position and is always directed towards the mean position is known as

  • compressional motion
  • damped motion
  • simple harmonic motion
  • none of above
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