b) Explain photoelectric effect.
Answers
Answer:
photoelectric effect, phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation. The effect is often defined as the ejection of electrons from a metal plate when light falls on it
Explanation:
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Answer:
photoelectric effect, phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation. The effect is often defined as the ejection of electrons from a metal plate when light falls on it.
Explanation:
The photoelectric effect is the process in which EM radiation ejects electrons from a material. Einstein proposed photons to be quanta of EM radiation having energy E = hf, where f is the frequency of the radiation.
Applications of the photoelectric effect brought us "electric eye" door openers, light meters used in photography, solar panels and photostatic copying.