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Light of wavelength 5000Å falls on a plane reflecting surface. What are the wavelength and frequency of the reflected light? For what angle of incidence is the reflected ray normal to the incident ray? |
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Answer» SOLUTION :`lamda=5xx10^(-7)m, c=3XX10^(8)ms^(-1)` `:.` Frequencey `v=c/(lamda)=(3xx10^(8))/(5xx10^(-7))=6xx10^(14)Hz` `i=r,i+r=90^(@):.2i=90^(@), i=45^(@)` |
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