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EM Waves (History, Properties and Applications)

Total questions: 10

Worksheet time: 3mins

Name
Class
Date
1.

He contributed in developing equations that showed the

relationship of electricity and magnetism.

a)

Andre-Marie Ampere

b)

Michael Faraday

c)

Heinrich Hertz

d)

James Clerk Maxwel

2.

Formulated the principle behind electromagnetic

induction

a)

Andre-Marie Ampere

b)

Michael Faraday

c)

Heinrich Hertz

d)

James Clerk Maxwel

3.

Showed how a current carrying wire behaves like a

magnet.

a)

Andre-Marie Ampere

b)

Michael Faraday

c)

Hans Christian Oersted

d)

James Clerk Maxwel

4.

Microwaves are radio waves of very short wavelength. They are used in satellite communications because they can penetrate the stratosphere – a layer of the earth’s atmosphere.

a)

TRUE

b)

FALSE

5.

The sun is our main source of ultraviolet light.

a)

TRUE

b)

FALSE

6.

Ultraviolet waves are visible radiation.

a)

TRUE

b)

FALSE

7.

The electromagnetic spectrum shows a family of EM waves arranged ______________

a)

in alphabetical order

b)

in order of use and application

c)

in order of frequency and wavelength

d)

in order of luminosity of radiation emitted.

8.

Which of the following EM waves is responsible for the food production of plants through the process called photosynthesis?

a)

infrared rays

b)

microwaves

c)

UV rays

d)

visible light

9.

The major source of EM waves on Earth is the ________________.

a)

air

b)

atom

c)

bulb

d)

sun

10.

Which is responsible for the production of Vitamin D in the human body?

a)

Microwaves

b)

UV rays

c)

visible light

d)

x-rays