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Worksheets

Simple Harmonic Motion & Waves

Total questions: 40

Worksheet time: 1hrs 25mins

Name
Class
Date
1.

What's the period of a simple pendulum with a length of 7 m?

a)

5.3 sec

b)

7.4 sec

c)

13.9 sec

d)

11.3 sec

e)

9.7 sec

2.

What's the frequency of a simple pendulum with a length of 45 cm?

a)

0.74 Hz

b)

1.35 Hz

c)

0.89 Hz

d)

0.51 Hz

e)

0.18 Hz

3.

What's the length of a simple pendulum with a frequency of 0.33 Hz?

a)

228 cm

b)

145 cm

c)

188 cm

d)

259 cm

e)

402 cm

4.

Increasing which of the following will NOT increase the time it takes for a simple pendulum to complete one full oscillation? (SELECT ALL THAT APPLY.)

a)

Length

b)

Gravitational field strength

c)

Frequency

d)

Mass

e)

Amplitude

5.

Which of the following is true? (SELECT ALL THAT APPLY.)

a)

A simple harmonic oscillator has the greatest kinetic energy at equilibrium.

b)

A simple harmonic oscillator has the greatest potential energy at its turning points.

c)

Every oscillation, kinetic energy and potential energy reach their greatest values twice, but never at the same time.

d)

For any oscillation, either the period (in sec) or the frequency (in Hz) is greater than 1.

e)

All waves require oscillation (or vibrations), but not all oscillations result in waves.

6.

When is the pendulum at maximum velocity

a)

At its lowest point

b)

At its highest point

c)

It moves at a constant velocity

d)

It is at rest

7.

When does the mass move at maximum velocity in a mass-spring system?

a)

At equilibrium

b)

At the farthest point from the equilibrium

c)

At its hightest point

d)

At its lowest point

8.

When is a pendulum at 0 velocity?

a)

At its lowest point

b)

At its highest points

c)

half way up

d)

half way down

9.

What is the unit for frequency?

a)

seconds

b)

hertz

c)

lambda

d)

nu

10.

What will happen to the period of a pendulum when the length is quadrupled?

a)

The period will be quadrupled.

b)

The period will be doubled.

c)

The period will be cut by a fourth.

d)

The period will be cut in half.

11.

____________ waves move perpendicularly to the direction the wave propagates.

a)

Transverse

b)

Longitudinal

c)

Sine

d)

Compression

12.

____________ waves move parallel to the direction the wave propagates.

a)

Transverse

b)

Longitudinal

c)

Sine

d)

Compression

13.

When two waves have the same wavelength but begin at different times are said ___________.

a)

to be in phase.

b)

to be out of phase.

c)

to have the same amplitude.

d)

to have the same cycle.

14.

The speed of a mechanical wave is determined solely by the wave’s ____________________.

a)

amplitude

b)

medium

c)

period

d)

velocity

15.

The ____________________ states that two or more waves that overlap combine by summing their

displacements algebraically.

a)

superposition principle

b)

wave interference

c)

destructive interference

d)

constructive interference

16.

_______________ states that the force exerted by a spring is directly proportional to the amount that the spring is stretched

a)

Hooke's Law

b)

The Periodic Law

c)

Peter's Law

d)

Simple Harmonic Motion

17.

What is the frequency of a merry-go-round that goes around 8 times a second?

a)

50.24 Hz

b)

0.125 Hz

c)

0.12 Hz

d)

8 Hz

18.

A ______ is a disturbance that carries energy through matter or space

a)

ocean

b)

phase

c)

frequency

d)

amplitude

e)

wave

19.

The points along a sinusoidal wave at which displacement is zero is called a(n) ________.

a)

node

b)

antinode

c)

crest

d)

trough

20.
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
21.
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
22.

Define amplitude.

a)

maximum displacement from equlibrium position

b)

total displacement

c)

maximum distance from where the object is released

23.
When the frequency of a wave increases, what happens to the wavelength?
a)
The wavelength is not directly affected by the frequency of a wave.
b)
The wavelength increases.
c)
The wavelength decreases.
d)
More specific information is needed to form a conclusion about the wavelength.
24.
1.  A wave has frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave?
a)
25 m
b)
125 m
c)
5 m
d)
25 m/s
25.
A wave carries...?
a)
energy only
b)
matter only
c)
energy and matter
d)
neither
26.
When a wave's amplitude increases it means
a)
it's carrying more energy
b)
its wavelength gets longer
c)
its frequency increases
d)
its wavelength decreases
27.

What is the wavelength of this wave?

a)

3

b)

10

c)

4

d)

8

28.

If the Frequency of a disturbance is tripled, which of these is true regarding their emitted waves?

a)

the Period would be a third of what it was

b)

the Period would be 3 times larger

c)

wave speed is the same for both

d)

the Wavelength would be 3 times longer

e)

the Wavelength would be one-third of what it was.

29.

What is relation between period (T) and frequency (f)?

a)

f = T

b)

f = 1/T

c)

f = 2 T

d)

f = T/2

30.

Based on your findings, which equation could best describe the pendulum’s period?

a)

A

b)

B

c)

C

d)

D

31.
Waves that require a medium are called 
a)
mechanical waves
b)
transverse waves
c)
light waves
d)
gamma rays
32.
What can electromagnetic waves travel through?
a)
mediums
b)
empty space
c)
solely solids
d)
both mediums and empty space
33.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
34.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
35.

Which of the following is NOT a mechanical wave?

a)

sound

b)

light

c)

ocean waves

d)

seismic waves

36.
In longitudinal waves, the parts where the coils are spread apart are called what?
a)
rarefactions
b)
compressions
c)
mechanicals
d)
longitudes
37.
What kind of wave is pictured?
a)
Transverse
b)
Longitudinal
c)
surface
d)
none of the above
38.
Which is the correct equation for calculating the speed of a wave?
a)
T = 1/f
b)
Speed= Wavelength x Period
c)
Speed = Wavelength/Frequency
d)
Speed= Wavelength x Frequency
39.
1.  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
40.

Which are correct equations relating the speed of a wave ?

a)

Speed = Frequency / Wavelength

b)

Speed= Wavelength x Period

c)

Speed = Wavelength / Frequency

d)

Speed= Wavelength x Frequency

e)

Speed = Wavelength / Period