science
Grade6
Easy
Question
An incident ray hits the surface perpendicular to it. The reflected ray makes an angle of ____ degrees with the reflecting surface.
Hint:
The angle of incidence is equal to the angle of reflection.
The correct answer is: 90
When a ray of light hits a surface where two dissimilar materials meet, some of the rays are reflected and some are transmitted. If the ray is normal to the surface, the incident, reflected, and transmitted (refracted) rays are all on the same line (that is, they are collinear). As the incidence ray when perpendicular forms 90 degrees with the normal the refracted reflected ray will also be 90 degrees.
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