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Electromagnetic Waves

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.

Light is emitted when electrons

a)

move from one atom to another.

b)

collide with one another, releasing energy.

c)

move from a lower energy level to a higher energy level.

d)

move from a higher energy level to a lower energy level.

2.
Which statement best describes what waves are?
a)
wavy lines on graph paper
b)
disturbances that transfer energy
c)
light energy that changes particles of matter
d)
circles that move out from a central place 
3.
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Infrared rays
4.

Which color has the longest wavelength?

a)

Yellow

b)

Red

c)

Green

d)

Purple

5.
A wave with a large wavelength will have a ______ frequency and _____ energy
a)
high, low
b)
high, high
c)
low, high
d)
low, low
6.

Of the visible spectrum, what color has the longest wavelength?

a)

Blue

b)

Green

c)

Yellow

d)

Red

e)

Violet

7.

Light is a type of energy that travels as an ______________ ____________.

a)

Longitudinal Wave

b)

Electric Current

c)

Electromagnetic Wave

d)

Magnetic Wave

8.
Which electromagnetic waves have the highest frequencies and the shortest wavelengths?
a)
microwaves
b)
visible light
c)
gamma rays
9.
For waves in any medium, as the wavelength decreases, what happens to the frequency?
a)
It also decrease
b)
It stays the same
c)
It increases
10.
Which of the following has wavelengths longer than microwaves?
a)
Infrared waves
b)
Radio waves
c)
Visible light
11.
Which of the following has frequencies higher than ultraviolet rays?
a)
visible light
b)
infrared rays
c)
x-rays
12.
Which of the following lists the electromagnetic waves in order of increasing wavelength?
a)
X-rays, visible light, radio waves
b)
gamma rays, microwaves, UV rays
c)
infrared rays, radio waves, x-rays
13.
Which of the following lists the electromagnetic waves in order of decreasing frequency?
a)
X-rays, microwaves, infrared rays
b)
UV rays, visible light, x-rays
c)
infrared rays, microwaves, radio waves
14.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
15.
As the frequency of an electromagnetic wave increases, the amount of energy in that wave...
a)
increases.
b)
decreases.
c)
stays the same.
16.

What color has the shortest wavelength and highest frequency?

a)

Violet

b)

Orange

c)

Red

d)

Blue

17.

They are materials that do not transmit any light.

a)

Opaque

b)

Translucent

c)

Transparent

d)

Reflective

18.

These materials transmit most of the light that pass through them.

a)

Translucent

b)

Transparent

c)

Opaque

d)

Reflective

19.
What is the speed of light in air?
a)
140,000 miles/sec
b)
186,000 miles/sec
c)
60 miles/hour
d)
120 miles/hour
20.

An ____________ is the inner, darker part of a shadow.

a)

penumbra

b)

umbra

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