State whether the following statements are true or false :
A ray has no end point.

State whether the following statements are true or false : A plane has length and breadth but no thickness.

State whether the following statements are true or false : A line has a definite length.

State whether the following statements are true or false : A ray bar(AB) is same as the ray bar(BA) .

State whether the following statements are true or false : Two distinct points always determine a unique line.

State whether the following statement are true or false : The wire with green insulation is usually the live wire of an electric a supply .

State whether each of the following statements is true or false : A triangle has in all three exterior angles.

State whether the following statements are true or false : Two lines may intersect in two points.

State whether the following statement are true or false : An electric motor converts mechanical energy into electrical enegy.

State whether the following statements are true or false . Justify . For an arbitrary binary operation ** on a set N, a"*"a = a AA a inN .

State whether the following statements are true or false : Two intersecting lines cannot both be parallel to the same line.