Question

difference between convergent and divergent rays.

Answer 1

RAY -
THE DIRECTION OF THE PATH IN WHICH LIGHT IS TRAVELLING IS CALLED RAY .
BEAM -
A BEAM IS A STREAM OF LIGHT AND IS SHOWN BY NUMBER OF RAYS .
TYPES OF BEAMS
THERE ARE MAINLY THREE TYPES OF BEAMS -
1) PARALLEL BEAM - WHEN THE RAYS OF LIGHT TRAVEL PARALLEL TO EACH OTHER , THEN THE COLLECTION OF SUCH RAYS IS CALLED PARALLEL BEAM .
2)DIVERGENT BEAM - WHEN THE RAYS OF LIGHT START FROM A POINT AND TRAVEL IN VARIOUS DIRECTION ,THEN THE COLLECTION OF SUCH RAYS ARE CALLED DIVERGENT BEAM .
3)CONVERGENT BEAM - WHEN THE RAYS OF LIGHT COMING FROM DIFFERENT DIRECTION MEET AT A POINT ,THEN THE COLLECTION OF SUCH RAYS IS CALLED CONVERGENT BEAM .