NEET Class neet Answered
Can free electron absorb energy of photon or is photoelectric effect take place with free electron?pls explain in details?
Asked by ashutosharnold1998 | 16 May, 2019, 05:38: PM
Expert Answer
Free electron in metals is not totally free. It is bound to atom with small amount of binding energy.
In photelectric effect this binding energy is called as workfunction of metal.
When energetic photon collides with free electron, photon energy is transferred to electron, then
electron is completely detached from atom and released from metal with kinetic energy
Answered by Thiyagarajan K | 17 May, 2019, 05:36: AM
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