What is "power per unit frequency" in black body radiation?
97422
What does 'per unit frequency' refer to?
64337
Is it possible to focus the radiation from a black body to make something hotter than that black body?
114913
What exactly is meant by the wavelength of a photon?
22738
Is the electromagnetic spectrum discrete?
51802
What is the frequency of a photon?
136397
Minimum frequency of an electromagnetic wave
94197
Effect Of Frequency on Photocurrent
3646
What do units like joule * seconds imply?
82547
What is the practical reason for associating cut-off frequency to %50 power attenuation?
100972
Can someone explain Planck's constant simply?
72129
Finding the correct units for the energy-momentum tensor?
148218
How precise must the energies match for absorption of photons?
100415
Do photons lose energy after radiation pressure is applied to a perfect reflector?
148756
Why does System Properties display two different frequencies?
6848
The strange thing about the maximum in Planck's law
91540
Gravitational waves frequency
156197
How much energy does lowering an object into a black hole generate?