light Flashcards
1
Q
Diffraction
A
Light has tendency to bend around corners
2
Q
Index of refraction
A
When light goes from one medium to a different medium.
Larger the index, the slower the speed of light in that medium.
n1sinΘ1 = n2sinΘ2
3
Q
Total internal reflection
A
Only happends when moving from a higher index to a lower index.
4
Q
Convex Lens
A
- Converging lens
- Produces a positive, real, inverted image
5
Q
Concave Lens
A
- Diverging Lens
- Produces a negative, virtual, upright image
6
Q
Energy of a photon
A
E = hf
- The higher the frequency, the higher the energy.
7
Q
Electromagnetic spectrum
A
8
Q
Photoelectric effect
A
- Adding energy to certain metals cause the emission of a photon.
The amount of energy required to do this is called the Work Function
Energy added must be greater than the work function
Extra energy added is converted to KE of the photon
9
Q
Speed of light
A
c = 3.0 x 108 m/s
c = wavelength x frequency
*frequency and wavelength are inversely proportional*
