Question

how do you prove that the light rays from far sources are parallel​

Answer 1

Answer:

Actually distant objects radiate light in every direction. So when we see that light at a fixed point, all we see is rays coming from a single point (as the radiating object is too far away) and hence we can assume that all the rays have equal disance between them, and hence they all are parallel to each other.

Answer 2

Answer:

Actually distant objects radiate light in every direction. So when we see that light at a fixed point, all we see is rays coming from a single point (as the radiating object is too far away) and hence we can assume that all the rays have equal disance between them, and hence they all are parallel to each other.

Explanation:

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