Sunday, 12 August 2018

Kingdom Protista

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                                                    https://youtu.be/O3D2belxKBs
  • stopping potential or cut off potential
    Cut-off potential  : The minimum negative potential required to just make the photo electric current of the plate is zero, defined as stop...
  • Laws of photo electric effect
    Laws of photo electric effect  :  The laws of photo electric effect are---- The number of electrons emitted per second will be directly...