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Worksheets

EM and Calculations

Total questions: 18

Worksheet time: 18mins

Name
Class
Date
1.

In the electromagnetic spectrum, which of the following is true of waves with long wavelengths?

a)

They have high frequencies

b)

They have low frequencies

c)

They have moderate frequencies

d)

They have inconsistent frequencies

2.

What part of the electromagnetic spectrum can be seen by humans?

a)

Visible Light

b)

Microwaves

c)

Ultraviolet Waves

d)

Infrared Waves

3.

Which feature best distinguishes one form of electromagnetic energy from another?

a)

Color

b)

Wavelength

c)

Surface Temperature

d)

Distance Traveled

4.

Which has a higher frequency?

a)

Wave N

b)

Wave O

c)

Same frequency

d)

There is no frequency

5.

The distance between E and H is called

a)

Crest

b)

Wavelength

c)

Amplitude

d)

Frequency

6.

Which electromagnetic waves have the highest frequencies and the shortest wavelengths?

a)

microwaves

b)

visible light

c)

gamma rays

d)

x-rays

7.

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

a)

high, low

b)

low, high

c)

high, high

d)

low, low

8.

Select the correct order of waves on the EMS from the longest wavelength to the shortest wavelength

a)

Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma

b)

Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio

c)

Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio

d)

Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma

9.

What is the variable λ used for?

a)

frequency

b)

wavelength

c)

Energy

d)

speed of light

10.

The number of waves that pass a given point every second

a)

Frequency

b)

Wavelength

c)

Energy

d)

Electromagnetic Spectrum

11.

The frequency of violet light is 7.5x1014 1/s. What is its wavelength?

a)

4.0x10-7 m

b)

4.0x107 m

c)

2.25x1023m

d)

2.25x1023 Hz

12.

What is the frequency of ultraviolet light with a wavelength of 1.24 x 10-7 m?

a)

2.42 x 1015 Hz

b)

8.22 x 10-34 Hz

c)

3.00 x 108 Hz

d)

1.04 x 1013 Hz

13.

An atom that has gained energy beyond normal is said to be ...

a)

excited

b)

grounded

c)

naturalized

14.

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.

15.

In order to go from ground state to an excited state, an electron must

a)

emit energy

b)

absorb energy

c)

rotate

d)

wiggle

16.

What is the variable c used for?

a)

frequency

b)

wavelength

c)

Energy

d)

speed of light

17.

The frequency of violet light is 7.5x1014 Hz. What is its wavelength?

a)

4.0x10-7 m

b)

4.0x107 m

c)

2.25x1023m

d)

2.25x1023 Hz

18.
Violet light has a wavelength of
4.10 x 10-12  m. What is the frequency?
a)
1.23 x 10^ -3 Hz
b)
7.31 x 10^ 19 Hz
c)
1.37 x 10^12 Hz
d)
3.0 x 10^ 8 Hz