Course Contents . » Exam #3 (07/31/2018 Tu) Question 05 A qlass prism has ?? ? D

Question

Course Contents . » Exam #3 (07/31/2018 Tu) Question 05 A qlass prism has ?? ? Due O d 00 58: 31 O Timer ? in: of an isosceles triangle with a-50.2° Evaluate @Feedback 0 A light beam is incident at an angle ight beam is incident at an angle of e 46.9 parallel to the ba A: 4.14x10B: 5.50x10-1 c: 7.32x10-1 D: 9.73x101E: 1.29 F: 1.72G: 2.29 H: 3.04 refraction of the lassndeeasses through the prism parallel to the base of the triangle as shown in the raction of the glass? (R ecall that the sum of all the internal angles of a triangle is 180°.) ???? Tries 0/12 2Communication Blocked Send Fee

Explanation / Answer

Given; a = 50.2 deg & Incident angle = 46.9 deg

Base angles = (180 – 50.2 )/2
= 64.9 deg
Refraction (Theta R) = 90–64.9
= 25.1 deg

Refractive index= sin(theta I)/sin(theta R)
=sin(46.9) /sin(25.1)
= 1.72

So option F.

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