Light – lesson 2

Target To know more about the properties of

the image formed in plane mirrors.

Investigating mirrors

The diagram shows a ray box shining a ray of light on a plane (flat) mirror.

The normal is at 90 degrees to the mirror.

Method

Method

Considering your results

I noticed that the angle of incidence is ____________ (larger than / equal to / smaller than) the angle of reflection.

Considering your results

I noticed that the angle of incidence is equal to (larger than / equal to / smaller than) the angle of reflection.

Types of mirrors

There are two types of m____. F__ mirrors and c____ mirrors.

Flat mirrors are known as p mirrors.

If a mirror curves in then it is a c_____ mirror, if it curves out it is a c____ mirror.

irrors laturved

lane

oncaveonvex

Question

Key facts about plane mirrors

The image formed in a plane mirror is: Erect and not magnified. Virtual (cannot be projected onto a

screen). Forms as far behind the mirror as the

image is in front of it. Laterally inverted – left side of the object

appears on the right side of the image.

Some beautiful pictures showing reflection of light in different

situations.