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WorksheetsWaves, Light, EM Spectrum
Total questions: 49
Worksheet time: 2hrs 38mins
Name
Class
Date
1.
In a transverse wave, particles move...?
a)
back and forth
b)
vertically
c)
up and down
d)
wherever the matter's going
2.
What kind of wave can travel through space?
a)
electromagnetic waves
b)
compressional waves
c)
transverse waves
d)
longitudinal waves
3.
A wave carries...?
a)
energy only
b)
matter only
c)
the matter carries the energy
d)
neither
4.
The lowest part of the wave is?
a)
trough
b)
crest
c)
point of origin
d)
compression point
5.
The highest point of a wave is?
a)
crest
b)
trough
c)
point of origin
d)
comppression point
6.
What is the measure of how many waves pass a point in a certain amount of time?
a)
frequency
b)
wavelength
c)
midpoint
d)
crest and trough
7.
In a longitudinal wave, the particles move...?
a)
back and forth
b)
up and down
c)
vertically
d)
in the direction of the hertz
8.
The action of a wave bouncing off a surface is called __________________.
a)
rarefaction
b)
refraction
c)
reflection
d)
diffraction
9.
Amplitude reflects the amount of ____________________ in a wave.
a)
energy
b)
compression
c)
rarefaction
d)
speed
10.
A _____________________ is the distance between a point on one wave and the identical point of the next wave.
a)
amplitude
b)
wavelength
c)
frequency
d)
compression
11.
This type of Electromagnetic wave shows a break in bones.
a)
gamma ray
b)
x-ray
c)
brokenometer
d)
radio wave
12.
Which wave has a greater frequency?
a)
A
b)
B
13.
_______ carry the greatest amount of energy.
a)
x-rays
b)
gamma rays
c)
infrared rays
d)
visible light
14.
How much of the electromagnetic spectrum is visible?
a)
All of it
b)
None of it
c)
Most of it
d)
Only a small part
15.
Cell phones use_____________waves.
a)
Microwaves
b)
Gamma
c)
XRays
d)
Radio
16.
Sound will travel slowest through which of the following forms of matter?
a)
milk
b)
desk
c)
air
d)
door
17.
Sound travels FASTEST through which of these materials?
a)
Air
b)
Empty space
c)
Metal
d)
Water
18.
Sound is caused by?
a)
force
b)
vibrations
c)
instruments
d)
medium
19.
What is vibration?
a)
how loud a sound is
b)
the back and forth movement of matter
c)
how high or low a sound is
d)
the loudness or softness of a sound
20.
Sound is a form of?
a)
energy
b)
pitch
c)
volume
d)
matter
21.
This is what you get when sound waves are reflected, or bounce back, off of a hard surface.
a)
Amplitude
b)
Pitch
c)
Volume
d)
Echo
22.
Why is sound able to travel faster through a solid than a gas?
a)
Gas molecules are packed tightly.
b)
Sound does not travel faster through a solid than a gas.
c)
Solid molecules are packed tightly.
d)
Gas molecules move slowly.
23.
The units for frequency are measured in _____________.
a)
hertz
b)
seconds
c)
m/s
d)
m
24.
What types of waves carry energy at a right angle or perpendicular to the direction of the energy flow?
a)
Longitudinal waves
b)
Transverse waves
c)
Sound waves
d)
P-waves
25.
The most dense part of a longitudinal wave.
a)
Density
b)
Compression
c)
Rarefaction
d)
Amplitude
26.
What are the parts of a longitudinal wave?
a)
Compressions and rarefactions
b)
Crests and troughs
c)
Compressions and crests
d)
Rarefactions and troughs
27.
_____ have the longest wavelengths and lowest frequencies of all electromagnetic waves.
a)
microwaves
b)
radio waves
c)
gamma rays
d)
ultraviolet
28.
_______ carry the greatest amount of energy.
a)
x-rays
b)
gamma rays
c)
infrared rays
d)
visible light
29.
High frequency waves have _________ wavelengths.
a)
varying
b)
long
c)
the same
d)
short
30.
All electromagnetic waves have the same...
a)
frequency
b)
speed
c)
wavelength
d)
energy
31.
A wave with a large wavelength will have a ______ frequency and _____ energy
a)
high, low
b)
high, high
c)
low, high
d)
low, low
32.
Which EM waves travel the fastest?
a)
Gamma rays
b)
X-rays
c)
Radio waves
d)
They all travel at the same speed
33.
Which explains why the fork looks different under water?
a)
light can't pass through the glass
b)
the wavelength of light lengthens
c)
the amount of light increases when going through water
d)
light is refracted at an angle
34.
Smooth surfaces _______ a lot of light.
a)
reflect
b)
bend
c)
absorb
d)
twist
35.
Another name for light bending is ....
a)
Reflaction
b)
Absorbing
c)
Refraction
d)
mirror
36.
The Law of Reflection:
The angle of incidence is _________ the angle of reflection
The angle of incidence is _________ the angle of reflection
a)
bigger than
b)
the same as
c)
smaller than
37.
When light passes through a prism the light is bent and breaks into the visible spectrum. What color bends the most and has the shortest wavelength?
a)
Red
b)
Yellow
c)
Blue
d)
Violet
38.
Which term means to bounce off the surface of something?
a)
Refract
b)
Absorb
c)
Reflect
d)
prism
39.
The bending of waves as they pass from one substance into another.
a)
Reaction
b)
Reflection
c)
Refraction
d)
Repost
40.
If light strikes a mirror at a 50⁰ angle, what angle will it come off of the mirror?
a)
50⁰
b)
70⁰
c)
45⁰
d)
30⁰
41.
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
42.
When light passes at an angle to the normal from one material into another material in which its speed is lower
a)
it is bent towards the normal.
b)
it always lies along the normal.
c)
it is unaffected.
d)
it is bent away from the normal.
43.
When light passes at an angle to the normal from one material into another material in which its speed is higher
a)
it is bent toward the normal.
b)
it always lies along the normal.
c)
it is unaffected.
d)
it is bent away from the normal.
44.
How is light affected by an increase in the index of refraction?
a)
Its frequency increases
b)
Its frequency decreases
c)
Its speed increases
d)
Its speed decreases
45.
Which of the following describes what will happen to a light ray incident on a glass-to-air boundary at greater than the critical angle?
a)
total internal reflection
b)
total external transmission
c)
partial reflection, partial transmission
d)
partial reflection, total transmission
46.
When a light ray passes from water (n=1.333) into diamond (n=2.419) at an angle of 45°, its path is
a)
bent towards the normal
b)
bent away from the normal
c)
parallel to the normal
d)
not bent
47.
The formula to calculate the refractive index is
a)
n=cv
b)
n=v/c
c)
n=c/v
d)
v=nc
48.
Which of the following represents refraction?
a)
A
b)
B
c)
C
d)
D
49.
The velocity of light in vacuum is _______ m/s.
a)
3x108
b)
3x1012
c)
3x106
d)
3x1010
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