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