Electromagnetic Spectrum Flashcards
0
Q
Radio waves
A
Lowest frequency - 10(7)
Longest wavelength - 10(2)
Lowest energy
Uses - radios and TVs
1
1
Q
Electromagnetic spectrum
A
Radio waves Infra-red radiation Visible light Ultraviolet radiation X-Rays Gamma rays
2
Q
Infra-red radiation
A
Frequency - 10(13/14)
Wavelength - 10(5)
Invisible to human eye.
Sensed as heat
2
3
Q
Visible light
A
Frequency - 10(15)
Wavelength -10(-6)
Necessary for sense of sight
3
4
Q
Ultraviolet radiation
A
Frequency - 10(17)
Wavelength - 10(-8)
Uses - helps the human body produce vitamin d, but can also cause sunburn
Invisible to human eye
4
5
Q
X-Rays
A
Frequency - 10(19)
Wavelength - 10(-10)
Uses - can kill cancer cells, find weaknesses in metals
Can pass through human flesh
5
6
Q
Gamma rays
A
Highest frequency - 10(22)
Lowest wavelength - 10(-13)
Uses - kill cancer cells and find weaknesses in metals
6
7
Q
What type of wave
A
Transverse waves
