PHYSICS-LIGHT GRADE 7

Front

What type of images do convex mirrors produce?

Back

virtual images

Front

The concave mirror has an inverted area.

Back

inward

Front

The outside of a spoon acts as a:

• plane mirror
• concave mirror
• convex mirror
• both convex and concave mirror

Back

convex mirror

Front

The shiny surface on the bell of a bicycle produces an erect and small image of objects. What kind of a spherical mirror is it? Options: plane, convex, concave, none.

Back

convex

Front

An image produced by a ___ mirror cannot be obtained on a screen.

Back

plane and convex mirror

Front

_____ mirrors are used as rear view mirrors in cars.

Back

convex

Front

A rainbow can be seen in the sky when the sun is:

• in front of you
• behind you
• overhead
• only at the time of sunrise

Back

behind you.

Front

Which of the following does not use a concave mirror?

• dentist mirror
• reflector in flashlight
• rear view mirror in cars
• solar heater

Back

rear view mirror in cars

Front

When a Newton's disc is rotated at high speed, the colours of the disc would blend and give:

• black colour
• white colour
• no colour
• yellow colour

Back

white colour

Front

You are provided with a convex mirror, concave mirror, convex lens and a concave lens. You get an inverted image from which?

Back

both concave mirror and convex lens