When a ray of monochromatic light is passed through an equilateral glass prism. It is found that the refracted ray in glass is parallel to the base of the prism. i and e denote the angles of incidence and emergence respectively, then:

Question:

Options :

(a) i+e=90 degree
(b) i<e
(c) i>e
(d) i=e

Answer :

(d) i=e

Answer Steps :

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An alternating voltage source is connected in series with a resistance R and an inductance L. If the potential drop across the resistance is 200 V and across the inductance is 150 V, then the applied voltage is:

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