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EM Waves

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Wave with the longest wavelength

a)

microwave

b)

gamma

c)

radio

d)

visible light

2.

The EM wave with frequency higher than infrared and lower than UV.

a)

radio

b)

xray

c)

visible light

d)

gamma

3.

When the wavelength increases the frequency will

a)

increase

b)

decrease

c)

remain same

d)

none of these

4.

EM waves have the same speed but different:

a)

frequency & medium

b)

medium & wavelength

c)

wavelength & frequency

d)

color & medium

5.

Which of these lists the EM waves from Highest to lowest frequency?

a)

Radio - Micro - Gamma - Visible light - UV - Xrays - Infrared - Xrays

b)

Radio - Micro - Infrared - Visible light - UV - X - Gamma waves

c)

Gamma - Xray - UV - Visible light - Infrared - Micro - radio

d)

none

6.

Which section of the spectrum is the ONLY one we can see?

a)

X-rays

b)

Visible Light

c)

Gamma Rays

d)

Ultraviolet Rays

7.

Cancer can be treated with_______________waves.

a)

Penicillin

b)

Infrared

c)

Radio

d)

Gamma

8.

How are EM waves different from Mechanical waves?

a)

EM waves need a medium

b)

EM waves need a medium

c)

Mechanical waves transfer matter

d)

Mechanical waves need a medium

9.

Infrared has a higher frequency than

a)

x-ray

b)

gamma

c)

visible light

d)

radio

10.

Wave with shortest wavelength

a)

UV

b)

gamma

c)

radio waves

d)

visible

11.

How are electromagnetic waves different from other waves?

a)

They have very short wavelengths

b)

They transmit energy instead of matter

c)

They can travel through a vacuum

d)

They can change direction by reflection

12.

Which waves are the type that can give us suntans and sunburns?

a)

Infrared radiation

b)

Radio waves

c)

Ultraviolet radiation

d)

X-rays

13.

What are X-Rays used for?

a)

Images of the body

b)

Images of buildings

c)

Images that see through bones

d)

Images that glow in the dark

14.

If the wave has a high frequency, what will the energy of the wave be?

a)

higher energy

b)

lower energy

15.

All electromagnetic waves travel through space at ?

a)

the speed of sound

b)

the speed of lightning bugs

c)

the speed of light

d)

the speed of light and sound