JAMB Physics 2004 Question 6

Question 6

Light and Reflection

What happens to the rays in a parallel beam of light?

  1. A.they diverge as they travel
  2. B.they meet at infinity
  3. C.they intersect
  4. D.they converge as they travel
Show the answer and explanation

Answer: B (they meet at infinity)

Explanation

Parallel rays never come together at any finite distance; in optics we say they meet at infinity.