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Light Waves
Test Description: Light waves
Instructions: Answer all questions to get your test result.
1) Light waves are classified as
A
transverse
B
both longitudinal and transverse
C
longitudinal
D
seismic
2) The bouncing back of a wave is called
A
incidence
B
diffraction
C
refraction
D
reflection
3) Transmit means
A
No light can be passed through
B
Light is passing through a medium
C
Most of the light goes through the material
D
Light waves disappear in the medium
4) When light is spread out through an opening this is called
A
reflection
B
refraction
C
diffraction
D
scattering
5) Which of the following is an example of refraction?
A
echo
B
seeing light under the door
C
image in a mirror
D
prism
6) What is it called when light bends as it enters a new medium?
A
absorption
B
reflection
C
diffraction
D
refraction
7) Which of the following is an example of a translucent material?
A
plastic bottle
B
tissue paper
C
mirror
D
glass
8) What material does not allow light to be transmitted?
A
absorption
B
translucent
C
transparent
D
opaque
9) What medium does light travel the fastest through?
A
Liquid
B
Gas
C
Solid
D
Plasma
10) What material allows most of the light to be transmitted?
A
Transparent
B
Absorption
C
Translucent
D
Opaque
11) When light encounters a white material, what happens to the light?
A
All colors are transmitted
B
All colors are absorbed
C
All colors are reflected
D
All colors are refracted.
12) What occurs when you look at a green leaf?
A
All light is reflected
B
The green light is absorbed
C
The red and blue light are transmitted.
D
The green light is reflected
13) What does concave mean?
A
curve outward
B
curve inward
14) What is the focal point?
A
The spot where all light is absorbed
B
Where light waves meet and cross
C
The spreading out of light in all directions
D
When the image is upside down
15) What type of lens creates a focal point?
A
concave
B
convex
16) The mirror that makes a focal point is a
A
concave
B
convex
*select an answer for all questions
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