Question

definition of ray ?​

Answer 1

Answer:

When viewed as a vector, a ray is a vector from a point to a point . In geometry, a ray is usually taken as a half-infinite line (also known as a half-line) with one of the two points and. taken to be at infinity.

Explanation:

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Answer 2

Answer:

each of the lines in which light (and heat) may seem to stream from the sun or any luminous body, or pass through a small opening.