Lesson: Chapter 5 — Optics

5.2.2. Reflection at a concave mirror 1 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 1

A ray travelling parallel to the principal axis strikes a concave mirror. After reflection it…

A passes through the centre of curvature B passes through the focus C stays parallel to the axis D returns along itself

The right answer is the one marked above.

Passes through the focus. This is the rule that defines the focus.

Answer the question to continue.