The Electromagnetic Spectrum

Question 1

What is the Electromagnetic spectrum?

Answer 1

A spectrum that shows all the types of waves and light from biggest to smallest

Question 2

What waves come on the Electromagnetic spectrum?

Answer 2

Radio waves
Micro waves
Infrared (IR)
Visible light
Ultraviolet (UV)
X - ray
Gamma ray

Question 3

Radio wavelength

Answer 3

1 - 3m
Used for the radio

Question 4

Microwave wavelength

Answer 4

12cm
Used for microwaves

Question 5

IR wavelength

Answer 5

780nm - 1mm
Used to detect heat and used in TV remotes

Question 6

Visible light wavelength

Answer 6

400nm - 700nm
Used to see things

Question 7

UV wavelength

Answer 7

100nm - 400nm
Used for tanning and used by the sun

Question 8

X - ray wavelength

Answer 8

0.03nm - 3nm
Used to see bones and internal structures

Question 9

Gamma ray wavelength

Answer 9

10 - (to the power of 10) m
Used to kill cancer and used in MRI

Question 10

Speed of light equation

Answer 10

C = 3 x 10 to the power of 8 m/s

Question 11

Speed of light

Answer 11

3 hundred million metres per second

Question 12

Can EM waves pass through the vaccum of space?

Answer 12

Yes