How can the direction of light can changed?
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Answer:
Refraction.
Explanation:
Light waves change speed when they pass across the boundary between two substances with a different density , such as air and glass. This causes them to change direction, an effect called refraction . ... the light speeds up going into a less dense substance, and the ray bends away from the normal.
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Answer:
the d direction of light can be changed by using highly reflective surfaces such as mirror.
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