PHYSICS

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  1. 3. A device used to measure current.
  2. 5. Electrons emitted during photo electric effect are called ____ electrons
  3. 7. Minimum frequency of incident radiation below which there is no photo emission
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  1. 1. A device used to reverse the direction of current.
  2. 2. Number of photo electrons emitted is directly proportional to ____ of radiation
  3. 4. The phenomenon of emission of electrons from a ______ surface when illuminated by radiation of suitable frequency is called photo electric effect.
  4. 6. Emission of photo electrons causes flow of _____ in the circuit.