Jeopardy
PHY101
Chapter 6 Review
Study of Waves
Study of Waves
Basics
Parts of a
wave
Speeds
Properties
Intensity
Potpourri
$100
$100
$100
$100
$100
$100
$200
$200
$200
$200
$200
$200
$300
$300
$300
$300
$300
$300
$400
$400
$400
$400
$400
$400
Basics
$100
What is a wave?
ANSWER
Basics
$200
Name three categories of
waves & given an example.
ANSWER
Basics
$300
What is the difference
between a longitudinal and
transverse wave?
ANSWER
Basics
$400
You drop a rock in a pond, and the water
waves travel away from the rock with a
certain speed. You drop a heavier rock in
the water. The speed of the waves in the
water from the heavier rock is ________.
ANSWER
Parts of a wave
$100
What is meant by the
amplitude of a wave?
ANSWER
Parts of a wave
$200
What is meant by a wavelength?
ANSWER
Parts of a wave
$300
The number of cycles of a
wave passing a point per unit
time is the wave's
__________.
ANSWER
Parts of a wave
$400
What is the equation for the
speed of a wave?
ANSWER
Speeds
$100
What is the equation for the
speed of a wave on a string?
ANSWER
Speeds
$200
What is the equation for the
speed of a sound wave in air
as function of temperature?
ANSWER
Speeds
$300
What is the Doppler Effect?
ANSWER
Speeds
$400
What is the speed of sound at
O
0 C?
ANSWER
Properties
$100
When will a shock wave
occur?
ANSWER
Properties
$200
What is diffraction?
ANSWER
Properties
$300
What is constructive
interference?
ANSWER
Properties
$400
You shout at a cliff, and hear
your echo in 2 seconds. If the
speed of sound in the air is
340 m/s, the distance of the
cliff from you is_________.
ANSWER
Intensity
$100
What is the equation for
intensity of a pt source?
What the SI unit for intensity?
ANSWER
Intensity
$200
What is the threshold of
hearing?
ANSWER
Intensity
$300
What is the decibel equation?
ANSWER
Intensity
$400
What is the equation for
intensity using frequency and
amplitude?
ANSWER
Potpourri $100
Ultrasound is used to _______.
ANSWER
Potpourri $200
The 3rd harmonic of a
complex tone has a frequency
of 1,200 Hz. The frequency of
the tone is __________.
ANSWER
Potpourri $300
A sound with ten times the
amplitude of another sound is
judged to be _______ .
ANSWER
Potpourri $400
Combining two sounds of
equal intensity will give a
sound level __________
higher than the sound level
due to just one of them.
ANSWER
Basics
$100
Answer
What is a wave?
A wave is a traveling disturbance carries
energy and momentum.
Back to Jeopardy
Basics
$200
Answer
Name three categories of
waves & given an example.
Mechanical waves
Electromagnetic waves
Matter Waves
Back to Jeopardy
Sound wave, water wave
light
electron
Basics
$300
Answer
What is the difference between a
longitudinal and transverse wave?
A longitudinal wave vibrates back & forth in the direction of
motion.
A transverse wave vibrates perpendicular to the direction of
motion.
Back to Jeopardy
Basics
$400
Answer
You drop a rock in a pond, and the water
waves travel away from the rock with a
certain speed. You drop a heavier rock in
the water. The speed of the waves in the
water from the heavier rock is the same.
Back to Jeopardy
Parts of a wave
$100
Answer
What is meant by the
amplitude of a wave?
The maximum displacement of points on a wave.
1.5
1
0.5
0
-0.5
-1
-1.5
Back to Jeopardy
0
5
10
15
Parts of a wave
$200
Answer
What is meant by a wavelength?
The peak to peak distance between two waves is the wavelength .
1.5
1
0.5
0
-0.5
-1
-1.5
0
Back to Jeopardy
5
10
15
Parts of a wave
$300
Answer
The number of cycles of a
wave passing a point per unit
time is the wave's frequency.
Back to Jeopardy
Parts of a wave
$400
Answer
What is the equation for the
speed of a wave?
v =frequency * wavelength = f.
Back to Jeopardy
Speeds
$100
Answer
What is the equation for the
speed of a wave on a string?
Back to Jeopardy
Speeds
$200
Answer
What is the equation for the speed of a
sound wave in air as function of
temperature?
V = 20.1 m/(s*K.5)+(T in Kelvin).5
Back to Jeopardy
Speeds
$300
Answer
What is the Doppler Effect?
Apparent frequency change due to movement of
source or observer.
Back to Jeopardy
Speeds
$400
Answer
What is the speed of sound at 0OC?
331 m/s
At Room Temperature 340 m/s
Back to Jeopardy
Properties
$100
Answer
When will a shock wave occur?
When an object moves faster than
the speed of the medium.
Back to Jeopardy
Properties
$200
Answer
What is diffraction?
The bending of a wave.
Back to Jeopardy
Properties
$300
Answer
What is constructive interference?
Addition of two waves to get a bigger
wave.
Back to Jeopardy
Properties
$400
Answer
You shout at a cliff, and hear
your echo in 2 seconds. If the
speed of sound in the air is
340 m/s, the distance of the
cliff from you is 340 m.
Back to Jeopardy
Intensity
$100
Answer
What is the equation for intensity of a pt
source?
I = Power/(4pr²) Units in Watts/m²
What the SI unit for intensity?
Back to Jeopardy
Intensity
$200
Answer
What is the threshold of
hearing?
IO = 1*
-12
10
Back to Jeopardy
W/m²
Intensity
$300
Answer
What is the decibel equation?
dB = 10 log10 (I/IO)
Back to Jeopardy
Intensity
$400
Answer
What is the equation for intensity using
frequency and amplitude?
IAVERAGE = .5*D*v*(2P*amplitude*frequency)²
Back to Jeopardy
Potpourri $100
Answer
Ultrasound is used
a. to form images of internal organs.
b. by bats to navigate.
c. In automatic focus cameras.
d. to control insects.
Back to Jeopardy
Potpourri $200
Answer
The 3rd harmonic of a complex tone has a
frequency of 1,200 Hz. The frequency of
the tone is 400 Hz.
fN = NfO
Back to Jeopardy
Potpourri $300
Answer
A sound with ten times the
amplitude of another sound is
judged to be 20 dB higher in
sound level.
Back to Jeopardy
Potpourri $400
Answer
Combining two sounds of equal
intensity will give a sound level 3 dB
higher than the sound level due to just
one of them.
Back to Jeopardy
Thank You for playing
Study of Waves
Jeopardy!