Question

5) Every lens or mirror has a place where all of the parallel rays will meet. This is
known as the

​

Answer 1

Answer:

That makes this a converging mirror and the point where the rays converge is called the focal point or focus . Focus was originally a Latin word meaning hearth or fireplace — poetically, the place in a house where the people converge or, analagously, the place in an optical system where the rays converge.

hope it helps be happy :-)

Answer 2

principal focus is the place where all the points of a parallel rays will meet .