Question

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-Introduction to Material Science and Engineering.

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1a. Distinguish between refraction, reflection, transmission, and absorption? Use drawings to illustrate your explanation. 1b. Calculate the speed of light in corundum (AI,O,) and zirconium dioxide (Zro,) given the refractive indices in Table 14.1. 1c. Calculate the reflectivity of corundum and zirconium dioxide. Which is more reflective? 1d. What is the critical angle of incidence for an air and corundum interface?

Answer 1

(a) it passes from one m Refraction of light is bending of the path of light as esses om one medium to another Transmission is a process of transmitting or passing of light It is extent to which a body or medium passes light Deflection is bouncing back of light into some med. absorption is a proces by which light is absorbed & Converted into some other form of energy med! mod 2 moda Reflection Refrachon Lassorbed absoprion Refractive inder (M)= Ç vec Al2O = = 170x108 mis a = 3x108 mis 1.76 : 3 nad 2:19 Veroz = 1:36 X10 & mis is ad criticas angle sinc | » co sinal tu C: sin its) = sin(0-568) = 34.600 R