a light is incident from vaccum to a medium of refractive index "n" and the angle of incidence is twice the angle of refraction then angle of incidence is
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the angle of incidence is 2n
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AC Generators or Alternators. ... AC generators work on the principle of Faraday's law of electromagnetic induction which states that electromotive force -EMF or voltage – is generated in a current-carrying conductor that cuts a uniform magnetic field
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