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  9. Q8
Question 8

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

  • A.100 cm
  • B.100/9 cm
  • C.60cm
  • D.60/7cm.
Objective

Question details

Exam body
UNIZIK
Subject
Physics
Year
2009/2010 Day 2
Question no.
#8
Type
Objective
Previous · Q7Which of the following is the correct definition of "half-life? Next · Q9 Which of the following is true of atoms?

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