AP Physics 2 Optics Review

A student placed a pencil in a cup of water. The pencil appears broken because light

• always travels in a straight line.

• bends when it passes through water.

• makes the water in the glass evaporate.

• reflects the pencil on the water's surface.

Tags

NGSS.MS-PS4-2

Swimming pools and the ocean look shallower than they really are due to:

• reflection 

• dispersion

• refraction

• total internal reflection

Tags

NGSS.MS-PS4-2

In the ray diagram below, which line represents the incident ray?

• A

• B

• N

Tags

NGSS.MS-PS4-2

In the ray diagram below, which angle represents the refracted angle?

• A

• B

• C

Tags

NGSS.MS-PS4-2

Choose the word that completes the sentence:

As the light changes direction in the soapy layer, it (a)   ,splitting into multiple different wavelengths.

• Diffracts

• Refracts

• Disperses

• Reflects

• Interferes

Tags

NGSS.MS-PS4-2

Light bending as it passes through a raindrop is an example of (a)  

• Reflection

• Refraction

• Absorption

Tags

NGSS.MS-PS4-2

Choose the word that completes the sentence:

As the light changes direction in the soapy layer, it (a)   ,splitting into multiple different wavelengths.

• Diffracts

• Refracts

• Disperses

• Reflects

• Interferes

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is a line drawn at 90° to a surface called?

• incident ray

• normal line

• refracted ray

• tangent

How is light affected by an increase in the index of refraction?

• Its frequency increases

• Its frequency decreases

• Its speed increases

• Its speed decreases

Tags

NGSS.MS-PS4-2

Light has the lowest speed in which medium? (n= index of refraction)

• diamond

  n=2.45

• water

  n=1.33

• flint glass

  n=1.70

• crown glass

  n=1.523

Tags

NGSS.HS-PS4-5