Class 7 Light Quiz 2

The image which can be formed on screen is

• virtual image

• real image

• Erect image

• None of these

The image which cannot be obtained on screen is

• virtual image

• Real image

• Inverted image

• None of these

The angle of reflection is always equal to

• angle between incident ray and mirror

• angle between reflected ray and mirror.

• angle of incidence

• Angle of emergence

Name the mirrors which are used as shaving mirrors.

• Concave mirrors

• Convex mirrors

• Plano concave mirror

• Plano convex mirror

Which mirrors are used as rear view mirrors in automobiles?

• Plane mirror

• Convex mirror

• Concave mirror

• Plano concave mirror

Concave mirrors are used

• By dentists

• as reflectors

• make up mirrors

• All of these

The phenomenon of left right reversal of image by plane mirror is called

• Inversion

• Lateral inversion

• Real inverted

• Virtual erect

A concave mirror has its

• reflecting surface curved inwards.

• reflecting surface curved outwards.

A convex mirror has its

• reflecting surface curved inwards.

• reflecting surface curved outwards.

Which mirrors are used as vigilance mirrors in big shops and stores?

• Concave mirror

• Plane mirror

• Plano convex mirror

• Convex mirror