^Electrons
^Electrons J. J. Thomson was the first to determine experimentally the speed and the specific charge (e/m) of the cathode […]
Entries by kp-web-admin
^Intensity of photons
^Intensity of photons Intensity of photons is also called power density & is defined as the rate of photons (i.e. […]
^Power of photons
^Power of photons Rate of energy of photons is called power of photons. If n photons each of wavelength ‘l’ […]
^Momentum of photons
^Momentum of photons
^Energy of photons
^Energy of photons Max plank suggested that any source of radiation emits or absorbs energy discontinuously in the form of […]
^Frequency of photons
^Frequency of photons Frequency of photon does not change when it travels in different media while there is a change […]
^What are photons
^What are photons Photons are electrically neutral energy particles of zero rest mass emitted by a source of radiation & […]
^Photons & neutrino
^Photons & neutrino Both photon & neutrino are charge less & zero rest mass. But the spin of photon is […]
^Appearance of sky
^Appearance of sky The appearance of sky from earth at various locations depend on the amount & nature of impurities […]
^Clouds appears white
^Clouds appears white Hence when white light encounters obstacles of size a >> λ, all colours are scattered equally & […]
