In fig 6, a ray of light in air strikes a glass plate at ...
In fig 6, a ray of light in air strikes a glass plate at an angle of incidence 60 degrees, the reflected ray is observed to be perpendicular to the refracted ray, what is the refractive index of the glass
1.73
1.50
0.87
0.57
Correct answer is A
No explanation has been provided for this answer.
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