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Question 36

A simple microscope forms an image twice the size of the object. If the focal length of the lens of the microscope is 20m, how far is the object from the lens?

  • A.10m
  • B.20m
  • C.30m
  • D.40m
  • E.60m
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
1990
Question no.
#36
Type
Objective
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