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Question 0

A concave lens of focal length 20cm form an image 1/2 the size of the object. The object distance is

  • A.100cm
  • B.\( \frac{100}{q} \)
  • C.60cm
  • D.\( \frac{60}{7} \)
  • E.None of the above
Objective

Question details

Exam body
JAMB
Subject
Physics
Year
1979
Question no.
#0
Type
Objective
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