The Electromagnetic Spectrum Class Quiz

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  • Created by: noblea
  • Created on: 16-10-15 20:34
What are the seven colours of the visible spectrum?
red, orange, yellow, green, blue, indigo, violet
1 of 8
Name the parts of the electromagnetic spectrum, in order, starting with shortest wavelength.
Gamma-rays, X-rays, ultra-violet, visible light, infra-red, microwave, radio waves.
2 of 8
What can you say about the speed of these waves?
They all travel at the same speed in a vacuum.
3 of 8
Which of these radiations are the most dangerous to us?
Gamma-rays, X-rays, ultra-violet, microwaves.
4 of 8
Name some uses of gamma-rays.
Kill harmful bacteria in food, sterilize instruments in hospitals, kill cancer cells
5 of 8
Name some uses of infra-red rays.
Grills, toasters, remove controls for TVs, burglar alarm sensors.
6 of 8
Name some uses of microwaves.
Microwave ovens, mobile phones, satellite communications.
7 of 8
What are the advantages of digital signals (compared to analogue signals)?
They are less affected by noise, and are able to carry more information.
8 of 8

Other cards in this set

Card 2

Front

Name the parts of the electromagnetic spectrum, in order, starting with shortest wavelength.

Back

Gamma-rays, X-rays, ultra-violet, visible light, infra-red, microwave, radio waves.

Card 3

Front

What can you say about the speed of these waves?

Back

Preview of the front of card 3

Card 4

Front

Which of these radiations are the most dangerous to us?

Back

Preview of the front of card 4

Card 5

Front

Name some uses of gamma-rays.

Back

Preview of the front of card 5
View more cards

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