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IS5 Exam Review: Waves

Total questions: 40

Worksheet time: 24mins

Name
Class
Date
1.

The distance in between two waves.

a)

wave speed

b)

frequency

c)

wavelength

2.

_____ waves NEED a medium to travel.

a)

Seismic

b)

Light

c)

Mechanical

3.

Frequency is always measured in _________

a)

kilometers

b)

Hertz

c)

centimeters

4.

You're in your room blasting music with the door shut, your mom opens your door. Now your music is heard throughout your home. This is an example of _______

a)

interference

b)

diffraction

c)

reflection

5.

When two waves overlap each other, this behavior is known as _______.

a)

interference

b)

refraction

c)

frequency

6.

If the amplitude increases during interference, this is __________

a)

destructive interference

b)

constructive interference

7.

This is a high frequency wave. Which part of the wave is "B"

a)

crest/peak

b)

wavelength

c)

trough

8.

Look at this wave. "A" is which part of a wave?

a)

Crest/Peak

b)

Wave Speed

c)

Resting Point

9.
the maximum distance that the particles of the medium carrying the wave  move away from their rest position
a)
frequency
b)
wavelength
c)
hertz
d)
amplitude
10.
Wave __________ is the number of complete waves that pass a given point in a certain amount of time.
a)
Frequency
b)
Wavelength
c)
Amplitude
d)
Compression
11.
a)
A is compression
b)
A is the trough
c)
A is the rarefraction
12.
Waves that move the medium at right angels to the direction in which the wave travel
a)
Longitudinal Waves
b)
Compressional Waves
c)
Transverse Waves
13.
Speed = wavelength x frequency
The speed of a wave on a rope is 50 cm/s and its wavelength is 10 cm. What is the wave's frequency?
a)
50 cm/s
b)
5 Hz
c)
10 cm
14.
a)
Diffraction
b)
Interference
15.
a)
Constructive Interference
b)
Destructive Interference
16.

Photoelectric effect provides the evidence for the ______ nature of radiation.

a)

dual

b)

wave

c)

particle

d)

electromagnetic

17.

Light of a given wavelength is used to illuminate the surface of a metal. However, no photoelectrons are emitted. In order to cause electrons to be ejected, light of __________ should be used.

a)

lower energy

b)

higher intensity

c)

shorter frequency

d)

higher frequency

18.

The energy of a photon is directly proportional to its _____ and inversely proportional to its ______.

a)

intensity - speed

b)

wavelength - frequency

c)

frequency - wavelength

d)

intensity - wavelength

19.

A metal with a work function of 3.5 eV is exposed to photons with an energy of 3.7 eV. What is the maximum kinetic energy of the emitted photoelectrons?

a)

0.2 eV

b)

0.9 eV

c)

1.1 eV

d)

7.7 eV

20.

What is the energy of a photon with a frequency of 5x1014 Hz? (you need to do calculation. You have enough time)

a)

2.5x10-19 J

b)

3.0x10-19 J

c)

3.3x10-19 J

d)

4.5x10-19 J

21.
This image is an illustration of
a)
photoelectric effect
b)
Dalton's atomic theory
c)
Bohr model
d)
Quantum mechanical model
22.

What is the energy of a photon with a frequency of 5x1014 Hz? (you need to do calculation. You have enough time) h=6.6x10-34 J/Hz

a)

2.5x10-19 J

b)

3.0x10-19 J

c)

3.3x10-19 J

d)

4.5x10-19 J

23.

The SI unit of frequency is the __________.

a)

meter

b)

second

c)

hertz

d)

meter per second

24.

When light of specific frequencies is shined on a surface, electrons are ejected from the surface. This is the idea behind...

a)

Quantization of Energy

b)

Photoelectric Effect

c)

Compton Effect

d)

deBroglie Waves

e)

Uncertainty Principle

25.

Energy of a photon is ___ proportional to frequency.

a)

directly

b)

inversely

26.

The portion of the electromagnetic spectrum that humans can see is called:

a)

radio waves

b)

visible light

c)

gamma rays

d)

x-rays

27.

When wavelength increases...

a)

energy decreases

b)

energy increases

28.

As wavelength decreases...

a)

energy increases

b)

energy decreases

29.

Which type of electromagnetic energy carries the least energy?

a)

X-Rays

b)

Visible Light

c)

Ultraviolet

d)

Microwaves

30.

The speed of electromagnetic radiation:

a)

depends on the form of radiation

b)

is always 3 x 108 m/s, regardless of the type

c)

decreases as distance increases

d)

is 6.626 x 10-34 J x s

31.

Joseph studied whether different materials can block certain electromagnetic waves by testing television reception in different parts of a house. At each part of the house,Joseph used a different antenna. The experiment could have been improved by_________.

a)

testing reception of a different channel during each trial

b)

using the same antenna during each trial

c)

measuring the antenna length in centimeters

d)

measuring the distance to the television station

32.

As the frequency of an electromagnetic wave increases, its wavelength

a)

becomes larger

b)

becomes smaller

c)

stays the same

d)

does not change

33.

Sunscreen is designed to protect your skin from exposure to too much ___________.

a)

ultraviolet radiation

b)

gamma radiation

c)

infrared radiation

d)

visible light

34.

Which of the following electromagnetic waves can travel through matter and cause damage to cells?

a)

radio waves

b)

microwaves

c)

infrared waves

d)

gamma rays

35.

All waves carry ________ as they travel from one place to another.

a)

matter

b)

space

c)

energy

d)

water

36.

How are Electromagnetic waves different from Mechanical waves?

a)

EM waves have very short wavelengths

b)

EM waves transmit energy instead of matter

c)

EM waves can travel through the vacuum of space (without particles)

d)

EM waves can change direction by reflection

37.

Wavelength and Frequency are related in that...

a)

they are always the same

b)

when one increases, the other decreases (inversely proportional)

c)

there is no correlation

d)

they both vary in an irregular pattern

38.

In what direction does a wave propegate from its source?

a)

To the north

b)

In all directions

c)

Only downwards

d)

To the right

39.

A wave with a large wavelength will have a ______ frequency and _____ energy

a)

high, low

b)

high, high

c)

low, high

d)

low, low

40.

Considering frequency of 109 Hz and frequency of 1011 Hz, which type of radiation has the LONGER wavelength?

a)

109 Hz

b)

1011 Hz