A tracing paper will make a shadow with less

Rough surfaces can reflect

A. light

B. heat

C. force

D. energy

The things which give off light are called

A. light sources

B. stores of light

C. lamps

D. solar energy

If a light falls on a mirror it will

A. pass through

B. reflect

C. refract

D. intersect

A lot of heat energy and light energy is given off by a

A. filament bulb

B. zero bulb

C. sparkler

D. oil lamp

Mirror and diamond are considered

A. light sources

B. not as light sources

C. primary source of light

D. light generators