HW2+Sol - HOMEWORK 2 with Solutions 1(a) A light beam is...

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Unformatted text preview: HOMEWORK 2 with Solutions 1(a) A light beam is incident perpendicular on face A of an unsymmetric 30 prism of refractive index n = 1.5 as indicated. Determine with the appropriate laws and describe with a sketch how the beam propagates, considering both the refraction and reflection processes which occur at both faces B and C. (1) On the face B, Incident angle i = 30 , then the reflected angle r = 30 and the transmitted angle sin t = 1.5 sin i = 0.75 t = 48.6 (2) On the face C, the same as on the face B. 30 n=1.5 90 light 90 A B C Air 30 30 30 30 48.6 48.6 1(b) A light beam, consisting of a mixture of blue, yellow, and red light, is incident perpendicular on the face of a symmetric 90 prism as indicated. The refractive index of the prism is n = 1.420 for blue light n = 1.410 for yellow light n = 1.400 for red light. Determine and describe with a sketch how the incident light beam proceeds for the three colors both in refraction and reflection. On the inclined face, the incident angle for three colors (R,Y,B) i = 45 the transmitted angle sin t = n sin i For RED , sin t = 1.400 sin 45 t = 81.9 For...
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HW2+Sol - HOMEWORK 2 with Solutions 1(a) A light beam is...

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