^ γ-rays
^γ – rays (a) Produced in nuclear reactions and are also emitted by radioactive nuclei (such as Co 60 & Cs […]
Entries by kp-web-admin
^Ultraviolet light
^Ultraviolet light (a) Produced by special lamps like mercury and iron are lamps and by very hot bodies like sun. […]
^Visible light
^Visible light Produced by hot bodies like sun, electric bulbs and tubes etc. as a result of electronic transitions. Our […]
^Infra red waves
^Infra red waves (a) Also called heat waves & are produced by hot bodies and molecules. (b) Properties: Heating effect, […]
^Micro waves
^Micro waves (a) Produced by special vacuum tubes like klystrons & magnetrons. Due to their shorter wavelengths the microwaves don’t […]
^Radio waves
^Radio waves (a) Produced by the charges accelerating through LC oscillators. (b) Properties: Reflection, diffraction (c) Used for wireless communication […]
^Radiation pressure
^Radiation pressure The force exerted by electromagnetic wave on unit area of the surface is called radiation pressure (P). It […]
^Linear momentum of the EM wave
^Linear momentum of the EM wave EM waves carry energy and momentum. If a portion of EM wave of energy […]
^Poynting vector
^Poynting vector Poynting vector gives intensity of EM – wave & is defined as: SI unit : W/m2
^Intensity of EM waves
^Intensity of EM waves Intensity of EM wave is defined as the average energy crossing per second per unit area […]
