Question

1. A light ray strikes a reflective plane surface at an angle of 56° with the surface.
a) Find the angle of incidence.
b) Find the angle of reflection.
c) Find the angle made by the reflected ray and the surface.
d) Find the angle made by the incident and reflected rays.

Answer 1

Answer:

A. 56° B. 56° C. 124° D. 68°

Answer 2

angle formed by the incident ray with the surface=56

angle of incidence + angle formed by the incident ray with the surface = 90 degrees

x + 56 = 90

x = 34

angle of incidence = anglre of reflection

so andle ofreflection = 34degrees

angle made by the incident ray andsurface = angle made by reflected ray with surface

so angle made with reflected ray and surface = 56degrees

angle made by incident ray and reflected ray = angle of incidence + angle of reflection

34+34

= 68

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