a ray of light falls on a transparent slab of refractive index u.if the reflected and refracted rays are mutually perpendicular to each other,find the angle of incidence.
rahul tiwary
13 Years agoGrade 8
2 Answers
MUKESH chinna YADAV
13 Years ago
90
r vrao
13 Years ago
The incident angle is 45 because the angle of reflection and angle of incident is equal.