JAMB Physics 2004 Question 2

Question 2

Light and Reflection

What types of mirrors are capable of producing parallel beams of light such as those arising from the headlamps of a car?

  1. A.cylindrical mirrors
  2. B.parabolic mirrors
  3. C.spherical mirrors
  4. D.plane mirrors
Show the answer and explanation

Answer: B (parabolic mirrors)

Explanation

A lamp at the focus of a parabolic mirror sends out a parallel beam; a spherical mirror only does this roughly.