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Geometrical Optics question

2013 · Shift 2 · Q58
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Geometrical Optics question

2013 · Shift 2 · Q58

JEE AdvancedPhysicsGeometrical OpticsMCQ+3 / −1

A right-angled prism of refractive index μ\muμ1 is placed in a rectangular block of refractive index μ\muμ2, which is surrounded by a medium of refractive index μ\muμ3, as shown in the figure. A ray of light e enters the rectangular block at normal incidence. Depending upon the relationships between μ\muμ1, μ\muμ2 and μ\muμ3, it takes one of the four possible paths 'ef', 'eg', 'eh' or 'ei'.

JEE Advanced 2013 Paper 2 Offline Physics - Geometrical Optics Question 35 English

Match the paths in List I with conditions of refractive indices in List II and select the correct answer using the codes given below the lists:

List I List II
P. e→fe \to fe→f
 1. μ1>2μ2{\mu _1} \gt \sqrt 2 {\mu _2}μ1​>2​μ2​
Q. e→ge \to ge→g
 2. μ2>μ1{\mu _2} \gt {\mu _1}μ2​>μ1​ and μ2>μ3{\mu _2} \gt {\mu _3}μ2​>μ3​
R. e→he \to he→h
 3. μ1=μ2{\mu _1} = {\mu _2}μ1​=μ2​
S. e→ie \to ie→i
 4. μ2<μ1<2μ2{\mu _2} \lt {\mu _1} \lt \sqrt 2 {\mu _2}μ2​<μ1​<2​μ2​ and μ2>μ3{\mu _2} \gt {\mu _3}μ2​>μ3​

  1. A
    P-2, Q-3, R-1, S-4
  2. B
    P-1, Q-2, R-4, S-3
  3. C
    P-4, Q-1, R-2, S-3
  4. D
    P-2, Q-3, R-4, S-1
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