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Question 1

Consider a ray of light reflected on a plane mirror. If i = 60°, what is the value of r

196_Figure2.jpg

Question 2

Light beam shown make an angle of 20° with the normal line NN' with the linseed oil. Determine the angle θ and θ'

815_Figure3.jpg

Question 3

A light of 700nm is incident on the face of a fused quartz prism at an angle of 75°.the Apex angle of prism is 60°. Use the value of n (700nm) =1.458 and calculate;
a) Angle of refraction at the first surface
b) Angle of incidence at the second surface
c) Angle refraction at the second surface
d) Angle between the incident and the emerging rays

669_Figure4.jpg

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