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How do you draw two rays that are not parallel to each other and never intersects?
that is impossible. if they aren't parrallel, and they're rays they have to intersect at some point. This is because rays spread at both ends. The above answer is only correct if the rays on drawn on the same plane or if they are drawn on convergent (intersecting) planes, so the correct answer is the two rays must be drawn on separate planes that are not convergent, since all non-parallel lines on the same plane, or on convergent planes, will eventually intersect. If they are drawn in 3 dimensions than you can avoid them intersecting. Perhaps the questions is not specific enough?
What is the maximum number of different rays that can be formed on a line?
Infinitely many. There an infinite number of points on a line and each point can be an end point of two rays.
How many points do opposite rays have in common?
They have one point in common.
What is the difference between radiation and intersection?
Radiation is suitable for locating the objects from a single point , while Intersection is suitable for the inaccessible points by intersection of rays drawn from two instrument stations.
What are two rays starting at a common point?
Two rays starting at a common point form an angle.
