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Explain : Photoelectriceffect. |
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Answer» SOLUTION :EINSTEIN (1905)wasableto explainthe photoelectriceffect usingplankquantum theoryof electromagneticradiation . Shiminga beamof lighton TOA metalsurfacecanthereforebe viewedas shooting a beam ofparticlethe photons.Whena PHOTON ofsufficientenergystrikesan electronin theatomof the metalittransfers it energy instantaneouslyto theelectronduringthe collisionand theelectronis ejectedwithout any timelag ordelay A moreintensebeamof lightconsistsof largernumberof photonsconsequently the numberof electronsejectedis alsolarger. |
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