LIGHT and WAVES
1.
Tony is studying the types of waves that occur during earthquakes. He finds a diagram
of an S wave that shows how the wave makes the Earth move.
What type of wave is an S wave?
A.
B.
sound
C.
transverse D.
longitudinal
electromagnetic
2.
Energy from the sun arrives as electromagnetic radiation with a wide range of
wavelengths and frequencies. Which form of electromagnetic radiation has more energy than
visible light waves have?
A.
microwaves
B.
radio waves
C.
infrared waves
D.
ultraviolet waves
3. Red light waves and yellow light waves travel through air and strike the surface of glass.
Only the yellow light waves travel through the glass as shown in the figure below.
Which of these phrases best describes what the glass does?
A.
reflects red light
B.
C.
transmits red light
4.
absorbs yellow light
D.
transmits yellow light
Which of these is a mechanical wave?
A.
light
C.
sound
B.
radio
D.
electromagnetic
5.
A jellyfish is floating in the ocean. What will happen to the jellyfish when a wave passes
through the water?
A.
It will be carried away with the wave.
B.
It will not move, but the water around it will move.
C.
It will be moved up to the surface of the water.
D.
It will move up and down, but it will return to about the same place.
6.
What is a wave?
A.
a disturbance that transfers energy
B.
a disturbance that transfers matter
C.
any type of energy that makes particles move
D.
any type of matter that vibrates back and forth
7.
What do radio waves transfer between a cell phone and a cell phone tower?
A.
sound
C.
the medium
B.
energy
D.
air particles
The graph below shows the motion of particles as a wave passes through a medium.
8.
The wave is moving along the x-axis. What type of wave is shown in the graph?
A.
medium
B.
transverse
C.
longitudinal
D.
electromagnetic
9.
An earthquake wave travels from its source underground to the ocean floor. What will
happen to the wave when it meets the water in the ocean?
A.
It will stop.
B.
It will move faster.
C.
It will move slower.
D.
It will continue to move at the same speed.
10.
The diagram below shows a wave pattern.
What part of a wave is represented by B?
A.
crest
B.
trough
C.
amplitude
D.
wavelength
11. There are two types of waves: mechanical and electromagnetic. Microwaves, infrared
waves, and radio waves are examples of electromagnetic waves. Which statement is true
about the speed of an electromagnetic wave?
A.
It is not affected by changes in media.
B.
It is slower in a vacuum than in a medium.
C.
In a vacuum, its speed equals half the speed of light.
D.
It slows down when it goes from a vacuum to a medium.
12. The speed of a mechanical wave through a medium depends on the type of medium. It
also depends on the type of mechanical wave. Which statement is true?
A.
All waves travel at the same speed through any medium.
B.
All waves travel at the same speed if no medium is present.
C.
Electromagnetic waves require a medium, but mechanical waves do not.
D.
Mechanical waves require a medium, but electromagnetic waves do not.
13.
Through which of these media do sound waves travel most slowly?
A.
iron B.
wood
C.
water
D.
cold air
14. Nicholas made time measurements of waves in a wave tank. The diagram below shows
two of his timed stopwatch readings for waves.
What is the frequency of these waves?
A.
2s
B.
4s
C.
0.5 Hz
D.
2 Hz
15. When you listen to the radio, watch TV, or cook food in a microwave, you are using a
device that makes use of man-made electromagnetic waves. Which statement about
electromagnetic waves is false?
A. Electromagnetic waves travel at the speed of light in a vacuum.
B. Electromagnetic waves need a medium to travel through.
C. Different wavelengths of light are interpreted by our eyes as different colors.
D. The transfer of energy as electromagnetic waves is called electromagnetic radiation.
16. When you listen to the radio, watch TV, or cook food in a microwave, you are making
use of properties of electromagnetic waves. Which statement about electromagnetic waves is
false?
A.
White light is the absence of all color.
B.
Higher-frequency electromagnetic waves have more energy.
C.
The sun radiates several different types of electromagnetic energy.
D.
The frequency of an electromagnetic wave is related to its wavelength.
17. Electromagnetic energy is classified by the length and frequency of its wave. Which
form of electromagnetic energy has the shortest wavelength?
A.
radio waves
B.
gamma rays
C.
infrared waves
D.
ultraviolet waves
18. Imagine a scientist detects an electromagnetic wave with a higher frequency than that
of most gamma-ray waves. The scientist calls these waves delta rays. Which of these
statements would be true of delta rays?
A.
Delta rays would travel faster than most gamma rays.
B.
Delta rays would have more energy than most gamma rays do.
C.
Delta rays would have the same wavelength as most gamma rays.
D.
Delta rays would have a longer wavelength than most gamma rays have.
19.
Which material is translucent?
A.
pure air
B.
clear plastic
C.
frosted glass
D.
construction paper
20. Four of the types of electromagnetic waves are microwaves, radio waves, infrared
waves, and visible light waves. Which of these waves has the most energy?
A.
microwaves
B.
radio waves
C.
infrared waves
D.
visible light waves
21.
A.
C.
In which of these situations would light slow down?
from glass to air
B.
from ice to water
from plastic to air
D.
from a vacuum to air
22. Sunlight contains all visible wavelengths of light. Each wavelength is a different color.
When sunlight passes into and out of a raindrop, the light rays bend. Which color of light
bends the most?
A.
blue
B.
green
C.
orange
D.
red
23. Feng shines a thin beam of light onto a prism. The light contains wavelengths of red,
violet, green, and yellow light. The diagram below shows how the four colors of light bend in
different amounts and travel through the prism.
Which of the wavelengths is color 4?
A.
red light
B.
violet light
C.
green light
D.
yellow light
24. Chris shines a white light onto a surface, and the surface appears to be green. What
color will the surface appear if he shines a combination of blue and green light on the surface?
A.
black
B.
brown
C.
green
D.
white
25. Calvin shines a thin beam of light onto a material, and the light refracts. Which diagram
best shows what happens to the light?
A.
B.
C.
D.
Using PEQUITA, answer the following in your Comp Book.
26. You see sunlight shining onto green grass. How do reflection, refraction, transmission,
and absorption affect the color of the grass?
27. How does a tuning fork makes a sound wave in air?
28. What property of an ocean wave might be most important to a surfer?
29. Why do we see colors?
30. Why can’t we see all types of waves in the electromagnetic spectrum?