Photoelectric effect and laws of photoelectric effect
Answers
Answer:
(a) Photoelectric effect is an instantaneous process.
(b) Photoelectric current is directly proportional to the intensity of incident light and is independent of frequency. ... (d) The emission of electrons stops below a certain minimum frequency known as threshold frequency.
Photoelectric effect and its laws.
This is a method of current production which comes under the renewable source of energy. The photoelectric effect takes place when a certain intensity of light or radiation falls on a certain material such that the electrons from the surface of the materials can absorb the energy from The Light that is incident on it and get energized enough to start moving thereby producing current.
Not all materials are photoelectric but there are certain special materials whose electrons are so bounded that the energy from the light or radiation can be absorbed by these electrons to jump into higher levels.
Laws of Photoelectric effect.
- the current that is produced in this process would be in proportion with the intensity or amount of light or radiation that is incident on the material.
- A minimum amount of frequency is required for this effect to work of although it is independent frequency.
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