Answer to Question #93232 in Optics for clara

Question

In an experiment to investigate the refractive index of a glass block . the following reading were obtained..

i° | i° | MR | Sin i | sin r | Tan r
25.0 15.0 1.70 ? ? ?
30.0 20.0 2.20 ? ? ?
40.0 24.0 2.80 ? ? ?
50.0 28.0 3.40 ? ? ?
60.0 33.0 4.00 ? ? ?
70.0 40.0 5.10 ? ? ?

(I) Complete the above table
(ii) Determine the refractive index and width of the glass using the graph,if sin i=n sin r and W tan r=MR
(iii) Calculate the critical angle of a material having a refractive index of 1.52 when light passes from this material to air

Answer 1

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