Angle of incidence Angle of refraction Sin f1 Sin f2 Refractive index n 20 14 si

Question

Angle of incidence Angle of refraction Sin f1      Sin f2 Refractive index n 20                                    14                                sin 20        sin 14      
30                                    20                                sin 30        sin 20            
40                                    27                                sin 40        sin 27    
50                                    32                                sin 50    sin 32   
60                                    37                                sin 60        sin 37
Calculate the average value of the index of refraction.
Angle of incidence Angle of refraction Sin f1      Sin f2 Refractive index n 20                                    14                                sin 20        sin 14      
30                                    20                                sin 30        sin 20            
40                                    27                                sin 40        sin 27    
50                                    32                                sin 50    sin 32   
60                                    37                                sin 60        sin 37
Calculate the average value of the index of refraction.

Explanation / Answer

Angle of incidence Angle of refraction Sin f1      Sin f2 Refractive index n = Sin f1/ Sin f2     20                                    14                                sin 20        sin 14        1.4137
30                                    20                                sin 30        sin 20        1.4619    
40                                    27                                sin 40        sin 27       1.41586                       
50                                    32                                sin 50    sin 32       1.445587                      
   60                                    37                                sin 60        sin 37      1.4390
So. the average value of the index of refraction = 1.4352094 Angle of incidence Angle of refraction Sin f1      Sin f2 Refractive index n = Sin f1/ Sin f2     20                                    14                                sin 20        sin 14        1.4137
30                                    20                                sin 30        sin 20        1.4619    
40                                    27                                sin 40        sin 27       1.41586                       
50                                    32                                sin 50    sin 32       1.445587                      
   60                                    37                                sin 60        sin 37      1.4390
So. the average value of the index of refraction = 1.4352094

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