| |
|
|
|
| |
|
Name |
Bragg Equation |
| |
 |
| |
|
Equation |
n ⁢ λ = 2 d ⁢ sin ⁢ θ |
| |
 |
| |
|
Definition of terms |
n is an integer, λ is the wavelength of the incident light, d is the inter-atomic plane spacing, and θ is the incident angle |
| |
 |
| |
|
Comments |
The Bragg equation describes reflection of light from a crystal. If monochromatic light is shone onto a crystal, and fulfils the condition above, then it will interfere constructively, and a reflection will be observed. |
| |
 |
| |
|
References
|
Principles of the Theory of Solids , J M Ziman, CUP, 196?? |
| |
|
|
|
|