Free Printable GP62 Midterms Reviewer

1.

Optics is the branch of physics that studies the behavior and properties of _____.

a)

Light

b)

Sound

c)

Matter

d)

Gravity

2.

Which of the following is the branch of physics that studies the behavior and properties of light, including its interactions with matter and the construction of instruments that use or detect it?

a)

Optics

b)

Mechanics

c)

Dynamics

d)

Kinematics

3.

Optics has two branches: _____ and _____.

a)

Wave optics and Ray optics

b)

Wave optics and physical optics

c)

Ray optics and geometric optics

d)

Geometric optics and Particle optics

4.

Which of the following is TRUE about light?

a)

It is a particle

b)

It is a wave

c)

It carries energy

d)

It moves faster than sound

5.

What type of wave is light?

a)

Electromagnetic wave

b)

Sonic wave

c)

Mechanical wave

d)

Longitudinal wave

6.

Which of the following is the correct arrangement of EM Waves from longest to shortest wavelength?

a)

Radio > Micro > IR > VL > UV > X > Gamma

b)

Gamma > X > UV > VL > IR > Micro > Radio

c)

Radio > Micro UV > VL > IR > X > Gamma

d)

Gamma > X > UV > IR > VL > Micro > Radio

7.

Among the different types of electromagnetic waves, which is the only one that is detectable by the human eyes?

a)

Visible Light

b)

Ultraviolet Ray

c)

Infrared Ray

d)

Microwave

8.

Which of the following is NOT a property of light?

a)

Interpolation

b)

Scattering

c)

Polarization

d)

Interference

9.

What type of materials scatters light that passes through it?

a)

Translucent

b)

Transparent

c)

Opaque

d)

Transition

10.

Which of the following DOES NOT belong to the group?

a)

Moon

b)

Sun

c)

Firefly

d)

Lightning

11.

Who theorized that light is a wave which travels through ether?

a)

Christian Huygens

b)

James Clerk Maxwell

c)

Isaac Newton

d)

Albert Einstein

12.

Who theorized that light is an electromagnetic wave which can travel even in vacuum?

a)

Christian Huygens

b)

James Clerk Maxwell

c)

Isaac Newton

d)

Albert Einstein

13.

Who theorized that light is made up of tiny particles called "corpuscles" which travel in a straight line?

a)

Christian Huygens

b)

James Clerk Maxwell

c)

Isaac Newton

d)

Albert Einstein

14.

Who theorized that light is made up of tiny particles called "photons" which carry energy?

a)

Christian Huygens

b)

James Clerk Maxwell

c)

Isaac Newton

d)

Albert Einstein

15.

Light naturally travels fastest in vacuum with speed around _____.

a)

$3x10^8\ \frac{m}{s}$

b)

$3x10^8\ \frac{km}{h}$

c)

$3x10^8\ \frac{mi}{s}$

d)

$3x10^8\ \frac{mi}{h}$

16.

This refers to the bouncing off of light as it strikes a barrier.

a)

Reflection

b)

Refraction

c)

Diffraction

d)

Dispersion

17.

Which of the following is the correct mathematical representation of the Law of Reflection?

a)

$\theta_i\ =\ \theta_r$

b)

$n_1\sin\theta_1\ =\ n_2\sin\theta_2$

c)

$\frac{n_1}{\sin\theta_1}=\frac{n_2}{\sin\theta_2}$

d)

$\frac{\sin\theta_1}{n_1}=\frac{\sin\ \theta_2}{n_2}$

18.

The imaginary line perpendicular to a reflecting surface is called _____.

a)

tangent line

b)

parallel line

c)

angular line

d)

normal line

19.

The ray of light that strikes a reflecting surface is called ________.

a)

incident ray

b)

reflected ray

c)

normal ray

d)

none of the above

20.

The angle produced as a source of light bounces off a reflecting surface is called ______.

a)

angle of crookedness

b)

angle of reflection

c)

angle of incidence

d)

angle of bounce

21.

Why can you see MOST objects?

a)

they emit light

b)

light refracts through them

c)

light reflects off them

d)

They absorb light

22.

What is the line MN called in the given diagram?

a)

incident ray

b)

reflected ray

c)

reflecting surface

d)

normal

23.

What is the angle between the incident ray and the normal called as?

a)

angle of incidence

b)

angle of reflection

c)

angle of refraction

d)

angle of intelligence

24.

what is the angle between the reflected ray and the normal called as

a)

angle of incidence

b)

angle of reflection

c)

angle of convergent

d)

angle of divergent

25.

In the given figure, which of the following holds TRUE?

a)

The angle of incidence is 10°.

b)

The angle of incidence is 80°.

c)

The angle of reflection is 10°.

d)

The angle of reflection is 90°.

26.

Given that the angle of incidence = 30 degrees

Draw a ray diagram, labeling clearly the normal, incident ray, angle of incidence, reflected ray, and angle of reflection accurately.

Which of the following is the correct diagram?

a)

A

b)

B

c)

C

d)

D

27.

This is the most common type of reflection.

a)

Diffuse Reflection

b)

Specular Reflection

c)

Dispersed Reflection

d)

Spectacular Reflection

28.

This is the type of reflection that is most familiar to us.

a)

Diffuse Reflection

b)

Specular Reflection

c)

Dispersed Reflection

d)

Spectacular Reflection

29.

This is the type of reflection produces clear and well-defined images.

a)

Diffuse Reflection

b)

Specular Reflection

c)

Dispersed Reflection

d)

Spectacular Reflection

30.

What common household item is best known for its ability to make specular reflections?

a)

Mirror

b)

Lens

c)

Eyeglasses

d)

Window

31.

Which of the following is a product of refraction of light?

a)

Heat mirage

b)

Twinkling of stars

c)

Lenses

d)

Mirrors images

32.

This refers to the bending of light as passes through a boundary between media of different optical densities.

a)

Refraction

b)

Reflection

c)

Dispersion

d)

Diffraction

33.

This a measure of how much light bends, or refracts, when it enters a material from another medium.

a)

Index of Refraction

b)

Index of Reflection

c)

Snell's Law

d)

Law of Reflection

34.

What is the index of refraction of vacuum?

a)

1.0000

b)

1.0003

c)

1.33

d)

2.42

35.

Which of the following is the correct mathematical representation of Snell's Law?

a)

$\theta_i\ =\ \theta_r$

b)

$n_1\sin\theta_1\ =\ n_2\sin\theta_2$

c)

$\frac{n_1}{\sin\theta_1}=\frac{n_2}{\sin\theta_2}$

d)

$\frac{\sin\theta_1}{n_1}=\frac{\sin\ \theta_2}{n_2}$

36.

The diagram shows a ray of light going from medium A into medium B. Which one of the following statements cannot be correct?

a)

A is air and B is glass.

b)

A is water and B is vacuum.

c)

A is water and B is air.

d)

A is glass and B is vacuum.

37.

The diagram shows a ray of light AB striking the interface of medium X and medium Y. BC is the refracted ray. Which one of the following statements is correct?

a)

n of Medium Y is less than X's

b)

n of Medium X is more than Y's

c)

n of Medium X and Y are equal

d)

n of Medium X is less than Y's

38.

When light travels from air into water, the light bends ____________.

a)

towards the normal line

b)

away the normal line

c)

perpendicular to the normal line

d)

parallel to the normal line

39.

How does light behave as it enters these mediums?

a)

continue its path as straight line.

b)

bends toward the normal

c)

bends away from the normal

d)

reflects

40.

A ray of light traveling from air into crown glass strikes the surface at an angle of 30 degrees. What is the angle of refraction? (air n=1.0003, crown glass n=1.532)

a)

30 degrees

b)

19 degrees

c)

33 degrees

d)

52 degrees

41.

What is the index of refraction of a refractive liquid if the angle of incidence in the air is 35 degrees and the angle of refraction is 14 degrees?

a)

0.42

b)

2.21

c)

2.37

d)

1.72

42.

The visible light is within what range of frequencies?

a)

400 nm - 700 nm

b)

500 nm - 1000 nm

c)

200 nm - 600 nm

d)

40 nm - 70 nm

43.

Which of the following colors has the longest wavelength?

a)

orange

b)

green

c)

indigo

d)

blue

44.

Which of the following is NOT a primary color of light?

a)

Red

b)

Blue

c)

Yellow

d)

Green

45.

What color does the audience see when a blue and red spotlight is shined on an actor wearing a white ghost costume?

a)

cyan

b)

magenta

c)

yellow

d)

green

46.

What color results from mixing all the primary colors of light?

a)

White

b)

Black

c)

Grey

d)

Brown

47.

If a shirt absorbs all light, what color will I see?

a)

red

b)

black

c)

white

d)

yellow

48.

What colors are absorded by a green shirt? Pick all that apply

a)

red

b)

blue

c)

green

d)

white

49.

What color does a blue shirt appear under red light?

a)

Blue

b)

Red

c)

Black

d)

Yellow

50.

Which of the following eye structures helps you most in detecting the color of your friend’s shirt?

a)

Rods

b)

Cones

c)

Cornea

d)

Lens

GP62 Midterms Reviewer

Total questions: 50

Worksheet time: 20mins

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