light and the solar system

reflection in a mirror

• plane mirror

• mirror image

• light

• mirage

a ray of light that ARRIVES at the mirror

• Incident ray

• reflected ray

• incident angle

• reflected angle

a ray of light that REFLECTS OFF the mirror

• incident angle

• incident ray

• reflected angle

• reflected ray

LUMINOUS OBJECT : the object that can produces light itself

Which one of the following is the luminous object?

• Tonal

• book

• candle

• tree

NON-LUMINOUS object : the object that cannot produce light

Which one of the following is NOT the non-luminous?

• shoes

• sun

• human

• paper

the line drawn at right angle (90 degrees)

• reflection

• normal

• plane mirror

• angle

What is the name of angle b?

What is the name of angle a?

How many degree does each mirror in periscope does?

(just type the number)

a flat mirror

• plane mirror

• mirror image

• periscope

• convex lens