What is radiation?
125019
What is thermal radiation? How does it move through space?
99275
Do x-rays and gamma rays also contain photons like visible light does?
144461
Why is the photon emitted in the same direction as incoming radiation in Laser?
55992
Why is dipole the simplest source in electrodynamics?
14523
How does an electron absorb or emit light?
115428
Measures: Atom Definitions
144711
Representation of electromagnetic wave?
145732
How do electromagnetic waves wave?
100860
What's the difference between Hard X-rays and Gamma-rays?
148864
The concept of Fermi level
83974
how much power is radiated by cell towers?
45669
What is behind the definitions of work and energy?
69983
Photon energy - momentum in matter
51802
What is the frequency of a photon?
114913
What exactly is meant by the wavelength of a photon?
79842
Why do accelerating electrons emit radiation?
67575
Electromagnetic wave properties of light vs radio waves