Question

what is ray
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Answer 1

we generally represent light through a number of ray to make thing easier . ray is a light which has one end point
ray are of types
incident ray
reflected ray
normal ray

Answer 2

$\textbf{Hello Mate}$

$\textbf{Your Answer}$>>>

An Arrow drawn normal to the wavefront and pointing in the direction of propagation of the disturbance is called a ray.

$\textbf{Be Brainly}$.

@karangrover12