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SHM and Wave Characteristics

Total questions: 36

Worksheet time: 30mins

Name
Class
Date
1.

True or False: The time for a complete back-and-forth swing of a pendulum is its frequency.

a)

True

b)

False

2.

The number of cycles that are completed per second is called the ________ and is measured in _________.

a)

frequency, Hertz

b)

wavelength, meters

c)

amplitude, meters

d)

period, seconds

3.
What variable affects the period of the pendulum?  
a)
Amplitude
b)
Mass
c)
String length
d)
All variables (amplitude, mass, and string length)
4.
What is the equation for frequency?
a)
f = t/n
b)
f = 1/T
c)
f = 2 T
5.
The period of a pendulum may be decreased by
a)
Increasing the mass of the bob
b)
moving the equilibrium point
c)
decreasing the mass of the bob
d)
shortening the length of pendulum
6.
For a system in simple harmonic motion, which of the following is the time required to complete a cycle of motion?
a)
amplitude
b)
period
c)
frequency
d)
revolution
7.
For a system in simple harmonic motion, which of the following is the number of cycles or vibrations per unit of time?
a)
amplitude
b)
period
c)
frequency
d)
revolution
8.

The period of a pendulum is 10 s. What is its frequency?

a)

10 Hz

b)

1 Hz

c)

0.5 Hz

d)

0.1 Hz

9.

You observe that a pendulum completes 45 complete cycles in ninety seconds. What is the frequency of this pendulum?

a)

100 m

b)

1 Hz

c)

0.5 Hz

d)

1m/s

10.
Frieda the fly flaps her wings back and forth 100 times each second.  The period of her wings flapping is:
a)
100 s
b)
0.01 s
c)
0.01 Hz
d)
100 Hz
11.
A tennis coach paces back and forth along the sideline 10 times in 60 seconds.  The frequency of her pacing is:
a)
0.167 Hz
b)
6.0 Hz
c)
0.167 s
d)
6.0 s
12.

A pendulum makes 33 complete back and forth cycles of vibration in 11 seconds. Its period is

a)

3.0 s

b)

3.0 Hz

c)

0.33 s

d)

0.33 Hz

13.
A pendulum makes 33 complete back and forth cycles of vibration in 11 seconds.  It's frequency is:
a)
3.0 s
b)
3.0 Hz
c)
0.33 s
d)
0.33 Hz
14.

At which point is this pendulum swinging the fastest?

a)

A

b)

B

c)

O

d)

A and B

e)

Same speed at all points

15.

At which point does this pendulum have the most kinetic energy?

a)

A

b)

B

c)

O

d)

A and B

e)

Same speed at all points

16.

At which point does this pendulum have the most potential energy?

a)

A

b)

B

c)

O

d)

A and B

e)

Same speed at all points

17.

How does the frequency of a wave affect its speed and wavelength in a uniform medium?

a)

It affects the speed but not the wavelength.

b)

It affects the wavelength but not the speed.

c)

It affects both the speed and the wavelength.

d)

It affects neither the speed nor the wavelength.

18.
a)

Constructive Interference

b)

Destructive Interference

c)

Reflection

d)

Refraction

19.
What phenomenon does this image demonstrate?
a)
Constructive interference
b)
Destructive interference
c)
Increasing frequency
d)
Increasing period
20.
Which letter represents wavelength?
a)
A
b)
B
c)
C
d)
D
21.
 A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?
a)
500 m/s
b)
50 m/s
c)
5 m/s
d)
0.5 m/s
22.
†When the particles of the medium move back and forth in the same direction as the wave motion, the wave is called a…
a)
transverse 
b)
longitudinal
23.
What kind of waves can travel through space?
a)
electromagnetic waves
b)
compressional waves
c)
longitudinal waves
d)
sound waves
24.
What kind of wave moves at right angles to the direction of the wave?
a)
compressional waves
b)
mechanical waves
c)
transverse waves
d)
ultraviolet rays
25.
†When the particles of the medium move back and forth in the same direction as the wave motion, the wave is called a…
a)
transverse 
b)
longitudinal
26.
_____________ wave particles move left to right.
a)
Transverse 
b)
Electromagnetic 
c)
Longitudinal 
d)
Ocean
27.
When two waves combine to form a new wave with a larger amplitude, it is called 
a)
Diffraction
b)
Destructive Interference
c)
Resonance
d)
Constructive Interference
28.
When two waves combine to form a new wave with a smaller amplitude, it is called 
a)
Refraction
b)
Constructive Interference
c)
Resonance
d)
Destructive Interference
29.

What happens to the frequency and period of this simple pendulum as you increase its length?

a)

Frequency increases and period decreases

b)

Frequency decreases and period increases

c)

Both frequency and period increase

d)

Frequency does not change but period increases

30.

Electromagnetic waves (light) are special because they are a combo of an electric field and a magnetic field, as you can see in the picture. Which statement is true about this type of wave?

a)

The fields are transverse waves and perpendicular to each other

b)

The fields are transverse waves and parallel to each other

c)

The fields are longitudinal waves and perpendicular to each other

d)

The fields are longitudinal waves and parallel to each other

31.

If a wave has a wavelength of 50 m and a frequency of 25 Hz, what is its velocity?

a)

2 m/s

b)

150 m/s

c)

250 m/s

d)

1250 m/s

32.

If a wave is traveling at 260 m/s and has a wavelength of 0.8 m, what is its frequency?

a)

208 Hz

b)

325 Hz

c)

430 Hz

d)

160 Hz

33.

A wave covers a distance of 68 m during one of its cycles and has a frequency of 700 Hz. What is its speed?

a)

10.3 m/s

b)

47600 m/s

c)

3600 m/s

d)

830.5 m/s

34.

Calculate the wavelength of light that has a frequency of 5.2 x 1012 Hz. The speed of of light is 3.00 x 108 m/s.

a)

5.8 x 10 -5 m

b)

5.8 x 10 -7 m

c)

5.19 x 10 14 m

d)

1.56 x 10 23 m

35.

A wave has frequency of 5 Hz and a speed of 25 m/s. What is the length of the wave?

a)

25 m

b)

125 m

c)

5 m

d)

25 m/s

36.
Frequency is measured in 
a)
Pounds
b)
Hertz
c)
Joules
d)
Newtons 

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