Unit 3 Parts 1-2 Flashcards
What is electromagnetic energy?
Energy that exhibits a wave-like pattern at it travels through space
What is Wavelength?
Distance between to crests or troughs
What is the symbol for Wavelength?
λ (pronounced Lambda)
What unit used to measure wave length?
Meters (m)
What is frequency?
The numbers of waves that pass by a certain point in one second
In what order do colors appear from lowest frequency to highest frequency?
Red, Orange, Yellow, Green, Blue, Indigo, Violet (Lightest to Darkest)
When Frequency goes ______, then Wavelength goes _________.
Up then Down, or vise versa
When Frequency increases what else increases?
Energy
What is the equation used to find out the speed of light?
c=λ times v
What is the equation used to find out the frequency of a wave?
v=c/λ
What is the equation used to find out the length of a wave?
λ=c/v
How many nanometers equal one meter?
10 to the power of nine equals one meter