I have two questions:
When an atom absorbs part of spectrum from white light, why doesn't it radiate the photon back? What happens to the photon?
How does the wave theory of light explain absorption of light?
I am studying Statics and saw that: The moment of a force about a given axis (or Torque) is defined by the equation: $M_X = (\vec r \times \...
No comments:
Post a Comment