Question: A beam go light frequency we is reflected from a dielectric-metal interface at normal incidences. The R.I of the dielectric medium is In &

A beam go light frequency we is reflected from a dielectric-metal interface

A beam go light frequency we is reflected from a dielectric-metal interface at normal incidences. The R.I of the dielectric medium is In & that of the metal is ng=n (1+i). If the beam is polarised parallel to the interface, then the phase change experienced by the light upon reflection is: as tant () by tan (3) c> tan (3) d) tan (21)

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