Lesson: Chapter 5 — Optics

5.2.2. Reflection at a concave mirror 3 of 4 Reset answers

Clear all your answers?

This erases every answer in this set and starts you again at question one. Your score will be gone.

Type these four numbers to confirm:

Those numbers don't match. Look at them again and type them.

Yes, clear Keep them

Question 3

A ray passes through the focus on its way to a concave mirror. After reflection it goes…

A back through the focus B along the axis C through the centre of curvature D parallel to the principal axis

The right answer is the one marked above.

Parallel to the principal axis. It is the parallel-ray rule run in reverse.

Answer the question to continue.