Physics Quiz

Which of the following colour undergoes maximum deviation during dispersion through a prism?

• Red

• Green

• Blue

• Violet

The mirror used in the rear view mirror of vehicles is

• Concave mirror

• Convex mirror

• Plane mirror

• Plano concave mirror

A ray of light is incident on a plane mirror at an angle of 30 degrees. The angle of reflection will be

• 60 degrees

• 15 degrees

• 30 degrees

• 120 degrees

The type of lens used to correct myopia is

• Concave lens

• Convex lens

• Plano concave lens

• Plane glass

Rainbows are formed due to which of the following phenomena

• Refraction of light

• Total internal reflection of light

• Diffraction of light

• Dispersion of light

1. The speed of light in a vacuum is

• 1. 299,792,458 m/s

• 1. 300,000 m/s

• 1. 3,000 m/s

• 1. 30 m/s

The Energy band gap is maximum in which of the following

• metals

• superconductors

• insulators

• semiconductors

A thin circular disc has a concentric hole in it. When the disc is heated, the diameter of the hole will

• increase

• decrease

• remain the same

• become zero

The distance between any two adjacent crests is

• displacement

• amplitude

• frequency

• wavelength

A body, whose momentum is constant, must have a constant

• force

• acceleration

• velocity

• displacement