A ray of light travelling inside a rectangular glass block of refractive index √2 is incident on the glass-air surface at an angle of incidence of 45°. The refractive index of air is Under these conditions the ray

Question:

Options :

(a) will emerge into the air without any deviation
(b) will be reflected back into the glass
(c) will be absorbed
(d) will emerge into the air with angle of refraction equal to 9n degree

Answer :

(d) will emerge into the air with angle of refraction equal to 9n degree

Answer Steps :

step 1

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The frequency for which a 5 µF capacitor has a reactance of 1/1000 Ω is given by

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