Module 10 Test

Question 1

What does a diverging lens cause light rays to do?

Answer 1

move away from each other

Question 2

What happens to objects in water?

Answer 2

the light from the object, leaves the water and bends causing a false image.

Question 3

Which electromagnetic waves have the longest wavelengths?

Answer 3

radio waves

Question 4

What is the law of reflection?

Answer 4

the angle of reflection equals the angle of incidence

Question 5

What do we call light that vibrates in only one direction?

Answer 5

polarized light

Question 6

Light moves __ in solids than in gases

Answer 6

more slowly

Question 7

What does the eye do to change focus?

Answer 7

changes the shape of the lens

Question 8

What do we call a material in which light passes through but makes objects appear fuzzy?

Answer 8

translucent

Question 9

What is an electromagnetic wave?

Answer 9

a transverse wave composed of an oscillating electric field and a magnetic field that oscillates perpendicular to the electric field

Question 10

What is special about electromagnetic waves?

Answer 10

they can travel through empty space

Question 11

Describe light according to the currently accepted theory.

Answer 11

Light is made up of individual photons which are made up of two perpendicular transverse waves. One wave consists of an oscillating electrical field, and one that is made up of an oscillating magnetic field