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Electromagnetic Spectrum

Total questions: 61

Worksheet time: 45mins

Name
Class
Date
1.

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

a)

radio waves

b)

visible light

c)

gamma rays

d)

x-rays

2.

When wavelength increases...

a)

energy decreases

b)

energy increases

3.

As wavelength decreases...

a)

energy increases

b)

energy decreases

4.

the distance between peaks of electromagnetic waves is called:

a)

wavelength

b)

frequency

c)

energy

d)

Planck's Constant

5.

Which type of electromagnetic energy carries the least energy?

a)

X-Rays

b)

Visible Light

c)

Ultraviolet

d)

Microwaves

6.

1 MHz is equal to:

a)

10 Hz

b)

100 Hz

c)

1,000 Hz

d)

1,000,000 Hz

7.

Which type photon carries the most energy?

a)

Yellow Light

b)

Red Light

c)

Blue Light

d)

Green Light

8.

The formula for the radiative energy (E) carried by a photon of light is:

a)

E = h x c

b)

E = c/λ

c)

E = h x f

d)

E = mMG/d

9.

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

10.

What is the speed of light?

a)

it depends on the type of electromagnetic radiation

b)

3 x 108 m/s

c)

3 x 10-34 m/s

d)

500 km/s

11.

We perceive various wavelengths within the visible light spectrum as:

a)

sound

b)

color

c)

time

d)

smell

12.

Which of the following is a unit for frequency?

a)

Joules

b)

Hertz

c)

meters per second

d)

seconds

13.

Light is:

a)

a star and a galaxy

b)

a wave and a particle

c)

sound and energy

d)

unable to be measured

14.

A light particle is called a(n):

a)

electromagnetic wave

b)

photon

c)

electron

d)

atom

15.

We see a "rainbow of colors" that when perceived together produce:

a)

black light

b)

white light

c)

gamma rays

d)

x-ray images

16.

Light can bounce off matter, leading to ______.

a)

emssion

b)

reflection

c)

absorption

d)

transmission

17.

which of the following emits visible light?

a)

glass

b)

a light bulb

c)

a black shirt

d)

a mirror

18.

If you see an object that is "red", what does this mean?

a)

The object is absorbing only red wavelengths

b)

The object is reflecting only red wavelengths

19.

Which has a longer wavelength?

a)

infrared

b)

ultraviolet

20.

Which is can be felt as "heat"?

a)

gamma rays

b)

infrared

c)

x-ray

d)

blue light

21.

Distance over which the wave's shape repeats

a)

Amplitude

b)

Frequency

c)

Reflect

d)

Wavelength

e)

Transmit

22.

Maximum Vibration

a)

Amplitude

b)

Frequency

c)

Reflect

d)

Wavelength

e)

Transmit

23.

Throw back wave without absorbing

a)

Amplitude

b)

Frequency

c)

Reflect

d)

Wavelength

e)

Transmit

24.

Take in or soak up a wave

a)

Absorb

b)

Frequency

c)

Reflect

d)

Wavelength

e)

Transmit

25.

Allow to pass through

a)

Absorb

b)

Frequency

c)

Reflect

d)

Wavelength

e)

Transmit

26.

Which two are characteristics of sound waves: (pick 2).

a)

Can travel through empty space

b)

Travels in a compression and expansion pattern (like a slinky)

c)

Must travel through a material

d)

Travels in a straight line.

27.

The lines in the emission spectrum for hydrogen are formed from ___.

a)

energy given off when the electron moves from higher energy levels to lower energy levels

b)

electrons given off as hydrogen burns

c)

protons given off when protons move from higher energy levels to lower energy levels

d)

electrons given off as hydrogen cools

28.

Which color has the highest frequency?

a)

green

b)

blue

c)

red

d)

yellow

29.

Which color has the highest energy per photon quanta?

a)

green

b)

blue

c)

red

d)

yellow

30.

Which color has the longest waves?

a)

red

b)

orange

c)

yellow

d)

green

31.

Energy of a photon is ___ proportional to frequency.

a)

directly

b)

inversely

32.

Frequency of light is ___ proportional to wavelength.

a)

directly

b)

inversely

33.

Which color has the highest energy per photon quanta?

a)

red

b)

indigo

c)

orange

d)

yellow

34.

Which color has the lowest energy per photon quanta?

a)

orange

b)

green

c)

indigo

d)

violet

35.

Which color has the lowest frequency?

a)

yellow

b)

green

c)

blue

d)

indigo

36.

Which color has the shortest wavelengths?

a)

yellow

b)

green

c)

blue

d)

indigo

37.

What is the term for the process of transferring light energy to the molecules in a material?

a)

transmission

b)

absorption

c)

scattering

d)

refraction

38.

Which of the following does light travel fastest through?

a)

transparent objects

b)

empty space

c)

air

d)

water

39.

A spectroscope is an instrument used to study _____ and figure out what elements are in a star.

a)

sound

b)

light

c)

gamma rays

d)

ultraviolet rays

40.

Why does an object appear to be blue?

a)

it absorbs the blue wavelength

b)

it scatters the blue wavelength

c)

it reflects all the other colors except blue

d)

it absorbs all the wavelengths except blue

41.

A pencil that is half underwater and half above the water appears to be broken because of which light behavior?

a)

absorption

b)

transmission

c)

reflection

d)

refraction

42.

Which light behavior does this photo demonstrate?

a)

absorption

b)

transmission

c)

reflection

d)

refraction

43.

Visible light is a narrow band of wavelengths in _____ .

a)

the primary colors

b)

an opaque material

c)

the electromagnetic spectrum

d)

an electromagnetic wave

44.

What occurs when you look at an object at the bottom of a pool of water?

a)

reflection

b)

refraction

c)

absorption

d)

scattering

45.

Which graphic demonstrates scattering?

a)
b)
46.

What is the wavelength range of visible light?

a)

200–600 nm

b)

300–900 nm

c)

700–400 nm

d)

800–300 nm

47.

Why does a prism produce a colored spectrum when white light passes through it?

a)

The prism refracts light waves into different wavelengths.

b)

Light waves with longer wavelengths are bent more than light waves with shorter wavelengths.

c)

Light waves with shorter wavelengths are bent less than light waves with longer wavelengths.

d)

The prism filters out all wavelengths except those corresponding to visible light waves.

48.

Place the following types of electromagnetic radiation in order, from lowest energy to highest energy: A) visible light B) gamma rays C) radio waves

a)

A, C, B

b)

C, A, B

c)

B, C, A

d)

C, B, A

49.

How are different types of radiation arranged along the electromagnetic spectrum?

a)

by how fast they travel

b)

by their sources

c)

by the amount of energy they carry

d)

by how radioactive they are

50.

Which word best describes gamma rays?

a)

weak

b)

destructive

c)

visible

d)

harmless

51.

What do all forms of electromagnetic radiation have in common?

a)

their strength

b)

their speed in a vacuum

c)

their wavelength

d)

their frequency

52.

This graphic demonstrates REFRACTION.

a)

True

b)

False

53.

This graphic demonstrates TRANSMISSION.

a)

True

b)

False

54.

Select the correct order of waves on the EMS from low to high energy

a)

Radio, Micro, Infrared, Visible light, Ultraviolet, X-ray, Gamma

b)

Gamma, X-ray, Ultraviolet, Visible light, Infrared, Micro, Radio

c)

Visible light, Micro, Infrared, Ultraviolet, X-ray, Gamma, Radio

d)

Micro, Radio, Visible light, Infrared, Ultraviolet, X-ray, Gamma

55.

A vibrating electric charge produces a(n) ______.

a)

sound wave

b)

heat wave

c)

compression wave

d)

electromagnetic wave

56.
Which type of light has the highest energy of this group?
a)
red
b)
yellow
c)
green
d)
blue
57.
Which wave has the largest wavelength?
a)
A
b)
B
c)
C
d)
None (same wavelength)
58.

Light is:

a)

a star and a galaxy

b)

a wave and a particle

c)

sound and energy

d)

unable to be measured

59.

A wavelength is the distance between which 2 points?

a)

B and G

b)

A and C

c)

C and F

d)

A and H

60.
High frequency waves have _________ wavelengths.
a)
varying
b)
long
c)
the same
d)
short
61.

What part of a wave is represented by letter F?

a)

Trough

b)

Crest

c)

Amplitude

d)

Wavelength

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