LIGHT FOR CLASS 7

______ is a luminous body

• Earth

• Moon

• Sun

• Planet

______ is a transparent body

• muddy water

• oiled paper

• stone

• clear glass

Materials through which light cannot pass through are

• transparent

• translucent

• opaque

• luminous

A collection of rays of light is called

• parallel beam

• convergent beam

• beam

• divergent beam

A non-luminous object can be made luminous by

• cooling

• heating

• hammering

• drying