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JAMB Physics 2014 Question 31

Question 31

Lenses and Optical Instruments

In a compound microscope, the objective and the eyepiece focal lengths are

  1. A.long.
  2. B.short.
  3. C.the same.
  4. D.at infinity.
Show the answer and explanation

Answer: B (short.)

Explanation

A compound microscope uses two converging lenses of short focal length to give a large magnification of a near object.