A ray of light from a denser medium strike a rarer medium at an angle of incidence i (see Fig). The reflected and refracted rays make an angle of 90° with each other. The angles of reflection and refraction are r and r’. Calculte the value of critical angle.
Attachments:
Answers
Answered by
0
the diagram below each resistance is of 1\OmegaΩ . Find the equivalent resistance between A and B using kirchoff's law.
Similar questions