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Waves
Test Description: About waves
Instructions: Answer all questions to get your test result.
1) Which of these waves on the electromagnetic spectrum has the most energy?
A
infrared
B
xray
C
microwave
D
radio
2) What is the difference between mechanical and electromagnetic waves?
A
Mechanical need a medium, electromagnetic do not
B
Electromagnetic can travel through solids, mechanical can not
C
Electromagnetic need a medium, mechanical do not
D
Mechanical are caused by a force, electromagnetic are not
3) When any wave on the electromagnetic spectrum is absorbed, what is it converted to?
A
infrared radiation
B
x rays
C
microwaves
D
light
4) Which statement is true about how we see color?
A
The color we see is absorbed and our eyes make up whatever color we want to see in our brains.
B
The color we see is the color being reflected; all other colors are absorbed.
C
The color we see is the color being transmitted; all other colors are being reflected.
D
The color we see is the color being absorbed; all other colors are being reflected.
5) Which color has the highest frequency?
A
Yellow
B
Red
C
Violet
D
Blue
6) What type of waves are electromagnetic waves?
A
Mechanical
B
Slinky
C
Longitudinal / Compressional
D
Transverse
7) What do convex lenses do?
A
magnify
B
reflect
C
change the color of objects
D
separate white light into the colors of the rainbow
8) What is the top of a transverse wave called?
A
trough
B
crest
C
amplitude
D
wavelength
9) What is the spread apart section of a compressional / longitudinal wave called?
A
rarefaction
B
reflection
C
compression
D
refraction
10) What is true about the speed of electromagnetic waves
A
The higher frequency the EM waves have, the faster they go
B
Waves to the right of visible light go faster than waves to the left
C
EM waves all travel the same speed - the speed of light
D
The higher energy EM waves have, the faster they go
*select an answer for all questions
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