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Reflection, Refraction, and Wavelength

Total questions: 19

Worksheet time: 25mins

Name
Class
Date
1.
The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-
a)
absorbed
b)
stopped
c)
reflected
d)
refracted
2.
A student placed a pencil in a cup of water.  The pencil appears broken because light-
a)
always travels in a straight line
b)
bends when it passes through water
c)
makes the water in the glass evaporate
d)
reflects the pencil on the water's surface
3.
The bouncing off of light rays from the surface of an object such as a mirror or other shiny surface is called:
a)
mirror
b)
laser
c)
reflection
d)
refraction
4.
What do we call this tool that separates white light into the colors of the Visible Spectrum?
a)
tuning fork
b)
prism
c)
microscope
d)
graduated cylinder
5.
a)
Reflection
b)
Refraction
6.
Light bending as it passes through a rain drop is an example of...
a)
Refraction
b)
Reflection
7.
The bending of a wave as it passes at an angle from one medium to another is called?
a)
Convex Lens
b)
Refraction
c)
Concave Lens
8.
Refraction is the bending of a wave disturbance as it passes from one _________ into another.
a)
glass
b)
medium
c)
area
d)
boundary
9.
According to the Law of reflection, a light ray striking a mirror
a)
continues moving through the mirror in the same direction
b)
moves into the mirror at a slightly different angle
c)
bounces off the mirror toward the direction it came from
d)
bounces off the mirror at the same angle it hits.
10.
When light/waves move from one medium to another, change in ____ can be observed.
a)
speed, direction, frequency
b)
speed, direction
c)
frequency
d)
amplitude
11.

How does light energy move?

a)

Longitudinal Waves

b)

Wavelengths

c)

Transverse Waves

d)

Ocean Waves

12.

What is the visible spectrum?

a)

a. The part of light waves we can see

b)

b. The part of light waves we cannot see

c)

c. the whole electromagnetic spectrum

d)

d. the energy spectrum

13.

A Transverse Wave is a wave that goes up and down

a)

True

b)

False

14.

What color has the shortest wavelength and highest frequency?

a)

Violet

b)

Orange

c)

Red

d)

Blue

15.

What color has the longest wavelength?

a)

Black

b)

Green

c)

Purple

d)

Red

16.

What is a wavelength?

(Hint: there is one correct answer)

a)

a. The distance between a crest & a trough

b)

b.The highest part of a transverse wave

c)

c.The distance between two crests

d)

d. Light doesn't have a wavelength

17.

What is the lowest part of a transverse wave?

a)

Trough

b)

Crest

18.

What is the highest point of a transverse wave?

a)

Trough

b)

Crest

c)

Wavelength

d)

Frequency

19.

Why do we see grass as green?

a)

Green light is absorbed

b)

Green light is reflected