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Worksheets

Electromagnetic Waves

Total questions: 15

Worksheet time: 45mins

Name
Class
Date
1.

Which of the following is not true of all electromagnetic waves?

a)

They are transverse waves.

b)

They cannot travel in a vacuum.

c)

They are produced by accelerating charges.

d)

They have magnetic as well as electric components.

2.

Who is considered the Father of Electromagnetism?

a)

Albert Einstein

b)

Heinrich Hertz

c)

James Clerk Maxwell

d)

Wilhelm Roentgen

3.

Which is the most energetic among the electromagnetic waves?

a)

gamma rays

b)

microwaves

c)

radio waves

d)

x-rays

4.

In radio broadcasting, AM stands for ___________.

a)

after morning

b)

amplitude modeling

c)

amplitude modulation

d)

ante meridian

5.

Which of the following ranges of frequency in radio waves is used by FM radios?

a)

low frequency

b)

medium frequency

c)

ultra-high frequency

d)

very high frequency

6.

The letter S in the acronym laser stands for ___________.

a)

simulated

b)

simultaneous

c)

spontaneous

d)

stimulated

7.

Among the different colors of visible light, which has the longest wavelength?

a)

blue

b)

green

c)

orange

d)

red

8.

Which does not belong to the group?

a)

infrared wave

b)

microwaves

c)

sound waves

d)

x-rays

9.

Which of the following is an ionizing radiation?

a)

microwave

b)

radio wave

c)

visible light

d)

x-ray

10.

Which government agency is in charge of the safe use of ionizing radiation?

a)

Philippine Nuclear Research Institute (PNRI)

b)

Department of Science and Technology (DOST)

c)

Philippine Institute of Volcanology and Seismology (PHIVOLCS)

d)

Philippine Atmospheric, Geophysical, and Astronomical Services Administration (PAGASA)

11.

Which type of electromagnetic wave is used in magnetic resonance imaging?

a)

gamma radiation

b)

microwave

c)

radio waves

d)

x-rays

12.

Which of the following electromagnetic waves is used to check baggage in airports as part of security measures?

a)

gamma rays

b)

microwaves

c)

radio waves

d)

x-rays

13.

All of the following uses infrared rays except

a)

burglar alarm system

b)

television sets

c)

night vision cameras

d)

automatic doors

14.

What is common among electromagnetic waves?

a)

energy

b)

frequency

c)

speed in a vacuum

d)

wavelength

15.

What do we call the process whereby radioactive material is implanted in a tumor?

a)

brachytherapy

b)

computed axial tomography

c)

endoscopy

d)

magnetic resonance imaging