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WorksheetsCh. 16 Sound and Light
Total questions: 37
Worksheet time: 37mins
Name
Class
Date
1.
The rate at which light energy flows through a given area of space
a)
power
b)
work
c)
intensity
d)
watts
2.
The type of image that results from the apparent path of light rays.
a)
real
b)
virtual
c)
mirage
d)
fake
3.
The type of virtual image that is caused by the refraction of light in the atmosphere.
a)
virtual
b)
real
c)
mirage
d)
fake
4.
A device used to determine the speed of a vehicle or the elevation and location of an aircraft.
a)
sonar
b)
radar
c)
ultrasound
d)
infrasound
5.
The two parts in your inner ear that vibrate at different natural frequencies.
a)
eardrum
b)
cochlea and basilar membrane
c)
middle and inner ear
d)
hair cells on basilar membrane
6.
As the frequency of light waves increases, the _____ increases.
a)
wavelength
b)
spectrum
c)
wave
d)
energy
7.
Light rays that reflect off of a smooth direction, reflect in _____ direction.
a)
two
b)
many
c)
all
d)
one
8.
Light rays that reflect off of a rough surface, _____ in many different directions.
a)
converge
b)
convex
c)
diverge
d)
scatter
9.
Human threshold of hearing.
a)
0 dB
b)
120 dB
c)
240 dB
d)
480 dB
10.
This color is a result of all the colors all being reflected.
a)
white
b)
green
c)
black
d)
blue
11.
The color _____ is formed because all of the colors are being absorbed.
a)
white
b)
green
c)
black
d)
blue
12.
When two objects naturally vibrate at the same frequency.
a)
convex
b)
frequency
c)
resonance
d)
tuning fork
13.
A _____ mirror forms a real image.
a)
angle
b)
flat
c)
convex
d)
concave
14.
A convex mirror makes images appear _____.
a)
bigger
b)
smaller
c)
flat
d)
round
15.
This depends on the sound wave's frequency.
a)
pitch
b)
type of wave
c)
type of medium
d)
resonance
16.
Made from two or more plane surfaces of a transparent solid at an angle with each other.
a)
Triangle
b)
Prism
c)
Square
d)
Pyramid
17.
Sound waves are an example of this type of wave.
a)
Transverse
b)
Longitudinal
c)
Surface
d)
Electromechanical
18.
What is the speed of light?
a)
361 m/s
b)
3.0 x 10 8 m/s
c)
380,000 m/s
d)
3.61 x 10 8 m/s
19.
The type of electromagnetic waves used in medicine to kill cancer cells and view bones.
a)
x rays
b)
gamma rays
c)
ultrasound
d)
infrasound
20.
The amount of energy in a photon of light is proportional to the _____ of the corresponding light wave.
a)
frequency
b)
wavelength
c)
energy
d)
light rays
21.
The _____ model of light explains how light can travel through empty space without a medium.
a)
wave
b)
particle
c)
ray
d)
visual
22.
Law of _____ states that when light rays reflect off a surface, the angle of incidence equals the angle of reflection.
a)
diffraction
b)
refraction
c)
reflection
d)
distraction
23.
Two types of technology that uses the reflection of sound waves to make images
a)
x ray & gamma rays
b)
sonar & visible light
c)
sonogram & ultrasound
d)
sonar & gamma rays
24.
The three main regions of the human ear.
a)
cochlear, basilar membrane, inner
b)
outer, middle, inner
c)
outer, eardrum, hair cells
d)
ear canal, eardrum, hair cells
25.
This type of medium absorbs or reduces vibrations.
a)
metal
b)
air
c)
rubber
d)
water
26.
Most musical instruments produce sound through the vibration of _____, _____, or _____.
a)
strings
b)
air columns
c)
membranes
d)
all of the above
27.
Protects the skin by absorbing or blocking UV light.
a)
sunscreen
b)
hat
c)
sunglasses
d)
tanning lotion
28.
The unit or quantum of light.
a)
particle
b)
photon
c)
electron
d)
neutron
29.
The range of frequency for human hearing.
a)
0 Hz to 20 Hz
b)
20 Hz to 20,000 Hz
c)
0 dB
d)
120 dB
30.
The range of frequency for human hearing.
a)
0 Hz to 20 Hz
b)
20 Hz to 20,000 Hz
c)
0 dB
d)
120 dB
31.
Sound that has a frequency above the range of human hearing.
a)
sonar
b)
infrasound
c)
radar
d)
ultrasound
32.
Sound that has a frequency below the range of human hearing.
a)
sonar
b)
infrasound
c)
radar
d)
ultrasound
33.
The human threshold of pain.
a)
0 dB
b)
120 dB
c)
20 Hz
d)
20,000 Hz
34.
Which song was used to demonstrate that sound is caused by vibrations?
a)
under pressure
b)
come together
c)
the sound of music
d)
wide awake
35.
Which item created the noise in the “screaming balloon” in the Sound Station Lab?
a)
button
b)
hexnut
c)
washer
d)
marble
36.
Sound waves are classified as _______ waves.
a)
longitudinal
b)
surface
c)
circular
d)
transverse
37.
Sound waves require a medium. Which type of wave requires a medium?
a)
reflection
b)
mechanical
c)
electromagnetic
d)
refraction
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