passwella.
Menu

JAMB Physics 2012 Question 36

Question 36

Lenses and Optical Instruments

The use of lenses is NOT applicable in the

  1. A.projector
  2. B.human eye
  3. C.periscope
  4. D.telescop.
Show the answer and explanation

Answer: C (periscope)

Explanation

A simple periscope uses two plane mirrors (or prisms) to turn light, not lenses. Projectors, the eye and telescopes all use lenses.