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Physical Science: Chapter 16 Sound and Light Flashcards | StudBud
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Physical Science: Chapter 16 Sound and Light
Physical Science: Chapter 16 Sound and Light
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Sound and Light Waves #sound #light #waves #physicalscience #9th
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Answers
1
A
sonar system
measures
distance
by determining the
density of a body of water
time it takes for sound waves to be reflected from a surface
time it takes for sound to be absorbed
difference between regular sound waves and ultrasound
2
Lenses
bend
light into your eye. The
interaction
of the light with the
lenses
is known as
reflection
refraction
interference
diffraction
3
Which color has the
highest frequency
and
highest energy
?
Red
Violet
Green
Yellow
4
Any
sound
below
the lower limit of
human hearing
of
20 Hz
is known as________.
Hertz
Ultrasound
Radio waves
Infrasound
5
When light rays
reflect
off a
rough surface
, they
converge toward the normal
diverge away from the normal
decrease their speed and change their angle
scatter in many different directions
6
Musical instruments
rely on what to create
sound
?
Transverse waves
Radio waves
Standing waves
Destructive interference
7
What causes the
sound
of a guitar to get
louder
as it is played?
Ultrasound
Resonance
Pitch
Infrasound
8
Which of the following statements about
gamma rays
is
true
?
They have less energy than X rays have
They are the size of buildings
They have a frequency of 102 Hz
They have more energy than X rays have
9
Light rays
reflecting off a
smooth surface
reflect
in one new direction
in random directions
in the initial direction
None of the above
10
Looking at the
image below
, what
colors
would it
appear
to be?
yellow-orange
red-orange
blue-green
yellow green
11
The
differences
in color in
visible light
, like a rainbow, are caused by
differences
in
frequency
amplitude
medium
speed
12
Given the
dual-nature
of light,
light waves
can act like a(n) _____ and ______.
particle and a wave
mechanical and non-mechanical wave
wave and an atom
visible and non-visible light
13
In addition to
reflecting
some light, every object
produces vibrations
None of the above
absorbs some light
transmits radio waves
14
Our
eyes
can detect light only within a
range
of _____ called
visible light.
speeds
amplitudes
mediums
frequencies
15
The
pitch
of a sound wave is most
closely related
to the
distance from the sound source
frequency of the sound waves
medium through which the sound travels
intensity of the sound
16
How
loud
a
sound
is depends on
the wavelength of the sound
the medium
the pitch of the sound
the amplitude of the waves
17
Light rays that pass through a
lens
change direction
because
light is broken up into many different colors
virtual images appear slightly larger than real images
they are refracted
of internal reflection
18
An apple
appears
red
to your eye because it
absorbs red light
emits red light
reflects red light
distorts red light
19
This type of
electromagnetic wave
is used for
cooking
and
communication
.
Ultraviolet
Gamma Rays
X-Rays
Microwave
20
Sound waves
are unrelated to vibrations
are not mechanical waves
can travel in a vacuum
require a medium
