The nature of light Flashcards
(9 cards)
1
Q
EMR
A
Electromagnetic Radiation is the release and transmission of energy in the form of electromagnetic waves. Visible light is a type of EMR
2
Q
Wavelength and Frequency and Relationship
A
Frequency: the number of waves that pass a given point per second (Hz) Wavelength and Frequency is inversely related
3
Q
Speed of light
A
C = 2.99x10^8m/s
4
Q
energy increases with -
A
increasing frequency
5
Q
EMR spectrum
A
400nm (violet) - 700nm (red)
6
Q
shorter wavelength =
A
higher frequency/higher energy
7
Q
longer wavelength =
A
lower frequency/lower energy colour
8
Q
Waves that are high frequency
A
Gamma Rays, X-rays, Ultra Violet rays
9
Q
Waves that are low frequency
A
Infrared, Radio waves
