Question

what is the shape of path of propagation of light​

Answer 1

Answer:

Just like wave

Explanation:

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Answer 2

Answer:

We use the term light path to refer to such a path. If a light path exists, it will be a piecewise- linear curve between p and c whose vertices, if any, will always lie on the surface of some object in the scene. The number of vertices along a path is therefore equal to the number of surfaces it intersects.

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