Powerpoint Jeopardy

1
Wave at Jeopardy
Sounds good Properties of Waves In real life Mix it up Wave phenomena
10 10 10 10 10
20 20 20 20 20
30 30 30 30 30
40 40 40 40 40
50 50 50 50 50
2
The reason you cant hear sound while in a vacuum
It needs a medium
3
The speed of sound will change if you change its
Medium

1. Medium
2. Amplitude
3. Loudness

4
When I crank up the volume on my radio Im not
only changing how loud my radio is, Im also
changing a sound waves
Amplitude
5
The units of frequency
Hertz (Hz)
6
Like vibrating wine glasses, an object that is
vibrating at its natural frequency is
experiencing
Resonance
7
The property of waves highlighted in this figure
Amplitude
8
Which of the following waves has the highest
frequency?
A
9

• Through which of the following media does sound
  travel faster?
• Air
• A Brick wall
• Outer space

b
10
The direction in which particles move on a
longitudinal wave
b
11
A secondary earthquake wave looks like this
In what direction would you move if the wave is
moving toward you?
Up and down
12
Rock idol Mr. Marrero plays a low pitch note on a
guitar followed by a high pitch note. What
property of waves is he changing?
Frequency
13
Which property of waves are you experiencing
when a someone drives by you in a car with a
song that has a very low bass that makes your
chest vibrate at its natural frequency
Resonance
14
The type of wave done by fans on a sports event.
Transverse wave
15
The units in which wavelength is measured
Meters (m)
16
It takes 2 seconds for two cycles to pass through
a point. What is the period of this wave?
1 second
17
How many degrees out of phase are the following
waves?
180
18
How many nodes and antinodes does the following
standing wave have?
N 5 A 4
19
An example of Resonance
Wine glass Etc
20
An apparent change in frequency in sound emitted
by a moving source is known as?
The Doppler Effect
21
This figure shows the movement of a noisy car
and the sound waves it produces, at which point
would an observer hear the highest frequency?
A
22
Name the two kinds of waves
Transverse and longitudinal
23
Describe how the wave phenomena shown occurs
Sonic Booms occur when a jet flies faster than
the speed of sound
24
Calculate the speed of the object if the radius
of the circle is 1.2 cm and the yellow line is
8.0 cm
8.0/1.2 6.7 times the speed of sound
25
Name the phenomena shown and predict what the sum
of the waves will look like
Destructive interference
26

If a wave vibrates 3 times each second, and its
wavelength is 2 meters, what is its
frequency? Its period? Its speed?
f 3 Hz T 1/3 s v ?f (2)(3) 6 m/s