Class 7 Light

Light travels in

• Curved lines

• In circular path

• In straight line

• Zig-zag path

Change in the path of light after striking a mirror is called

• reflection of light

• Rectilinear propagation of light

• Lateral inversion

• Dispersion

Splitting of white light into seven colours is called

• reflection of light

• Rectilinear propagation of light

• Lateral inversion

• Dispersion

When white light is passed into a prism it splits into

• Seven colours

• Eight colours

• Five colours

• Three colours

Sunlight is

• Red in colour

• Green in colour

• Yellow in colour

• White in colour

The light that is reflected from a compact disc (CD) consists of

• Seven colours

• Eight colours

• Five colours

• Three colours

Image formed by a convex mirror is a

• Virtual image

• Erect

• Diminished

• All of the above

When an object is placed between the Focus and centre of curvature of

concave mirror, then

• Real

• Inverted

• Enlarged

• All of the above

The image which can be caught on a screen is called

• Real image

• Virtual image

• Shadow

• Impression

A virtual image larger than the object can be produced by a

• Plane Mirror

• Concave mirror

• Convex mirror

• All of the above