It DOES reflect. Straight back to where it came from.
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Enter the light perpendicular to the hypotenuse of the Prism above or below the center of the hypotenuse. The light will reflect off the two non-hypotenuse sides and reflect back out in the opposite direction, 180 de Save grees.
light is needed to reflect an image off a mirror...no light no reflection
Any smooth surface will reflect light. The better question is "How much light does each kind of smooth surface reflect?"
When a light beam hits a mirror, it reflects at an angle equal to the angle of incidence, according to the law of reflection. If the light beam hits the mirror at 75 degrees relative to the normal (the line perpendicular to the surface), it will reflect at an angle of 75 degrees on the opposite side of the normal. Thus, the angle of reflection is also 75 degrees.
No, light in a medium will travel at a slower speed.