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Light and Optics review SNC 2P

Total questions: 30

Worksheet time: 23mins

Name
Class
Date
1.
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Infrared rays
2.
Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy
a)
Radio waves
b)
Ultraviolet Rays
c)
Gamma Rays
d)
X-rays
3.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
4.
You have cool glow-in-the-dark stickers of Mickey Mouse. This is an example of 
a)
fluorescence
b)
chemiluminescence
c)
phosphorescence 
d)
incandescence
5.

Light produced by an object due to being a very high temperature is called

a)

fluorescent

b)

electric discharge

c)

incandescent

d)

triboluminescence

6.

Which of the following can produce a bioluminescent reaction?

a)

a dog

b)

a light bulb

c)

a platypus

d)

a fire fly

7.

Bioluminescence is the ability of an organism to produce what?

a)

transportation

b)

gas

c)

light

d)

food

8.

The sun is an example of what kind of light?

a)

Incandescent

b)

Luminescence

9.

A glowstick is an example of which kind of light?

a)

Luminescence

b)

Incandescent

10.

The picture here is an example of...

a)

phosphorescence

b)

chemiluminescence

c)

bioluminescence

d)

luminescence

11.

What does LED stand for

a)

Light Exiting Daylight

b)

Luminous Emitter Dark

c)

Light Emitting Diode

d)

Light Englowing Damper

12.
These colors are opposite from each other on the color wheel:
a)
Tertiary Colors
b)
Primary Colors
c)
Analogous Colors
d)
Complementary Colors
13.

Additive colors are made of

a)

light

b)

pigment or paint

c)

nothing

14.

Subtractive colors are made of

a)

light

b)

pigment or paint

c)

nothing

15.

What color do we get when we mix all additive primary colors?

a)

White

b)

black

c)

grey

d)

blue

16.

What color do we get when we mix all subtractive primary colors?

a)

Black

b)

white

c)

grey

d)

red

17.

What are the primary ADDITIVE colours?

a)

Cyan, Magenta, and Yellow

b)

Red, Green and Blue

c)

White

d)

Black

18.

What are the primary subtractive colours?

a)

Cyan, Magenta, and Yellow

b)

Red, Green and Blue

c)

White

d)

Black

19.

In the diagram, which letter represents the angle of incidence?

a)

A

b)

B

c)

C

d)

D

20.
Law of reflection state that - The angle of incidence is .................. to the angle of reflection.
a)
equal
b)
double
c)
half
21.
........... – the angle between the normal and the reflected ray.
a)
Angle of incidence
b)
Angle of reflection
c)
Angle of coincidence
d)
Angle of direction
22.
........... – the angle between the normal and the incident ray.
a)
Angle of incidence
b)
Angle of reflection
c)
Angle of coincidence
d)
Angle of direction
23.

In the diagram, which letter represents the reflected ray

a)

A

b)

B

c)

C

d)

D

24.

In the diagram, which letter represents the normal?

a)

A

b)

B

c)

C

d)

E

25.
Mirrors that bulge out are called:
a)
Concave mirrors
b)
Convex mirrors
26.

what type of mirror is this

a)

concave

b)

convex

c)

translucent

d)

plane

27.
The Law of Reflection:
The angle of incidence is _________ the angle of reflection
a)
bigger than
b)
the same as
c)
smaller than
28.
Which type of mirror magnifies a close up image, like a make-up mirror.
a)
Concave
b)
Convex
c)
Specular
d)
Plane
29.
The line that passes through the center of a curved mirror is called
a)
focal point
b)
center of curvature 
c)
principle axis
d)
light ray
30.
An incident ray that is parallel to the principal axis...
a)
will reflect parallel to the principal axis
b)
will refract through the focal point
c)
will reflect through the center of curvature
d)
will continue along the same path through the lens

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