Is Planck length the smallest allowable difference between wavelengths?
23359
Does the Planck scale imply that spacetime is discrete?
11102
The choice of measurement basis on one half of an entangled state affects the other half. Can this be used to communicate faster than light?
155316
Are two waves out of phase only when the phase difference is $\pi$?
83341
How can Planck units be consistent with conflicting dimensions of mass?
99735
Are there any theoretical limits on the energy of a photon?
100807
Are the Maxwell equations a correct description of the wave character of photons?
59601
Application of Heisenberg's uncertainty principle on photons
156818
Doppler Shift when Light Travels Through Two Different Mediums
6890
Why does electron orbital circumference have to be in multiples of de Broglie wavelengths?
29807
Do interference rings disappear in an interferometer if the path lengths are identical?
114913
What exactly is meant by the wavelength of a photon?
156879
"Reality" of EM waves vs. wavefunction of individual photons - why not treat the wave function as equally "Real"?
31156
Is light amplitude spatial?
22738
Is the electromagnetic spectrum discrete?
29931
Double Slit experiment with just one photon or electron
3909
Does $E = mc^2$ apply to photons?
100972
Can someone explain Planck's constant simply?