Critical angle of electromagnetic radiation takes place if__________________?

Civil Engineering Mcqs

Critical angle of electromagnetic radiation takes place if__________________?

(A)  Angle of incidence is equal to angle of refraction

(B)  Angle of incidence is greater than the angle of refraction

(C)  Angle of incidence is equal to 90°

(D)  Angle of refraction is equal to 90°

Submitted By :Ali Uppal

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