JAMB Physics 2008 Objective — Question 31
Question 31 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2008 Objective paper, with the correct answer and a full explanation.
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31. An object of height 4cm is placed in front of a cuboid pinhole camera of size 6cm. If the image formed is 2cm high, how far is the object from the pinhole?
- A. 3.0cm
- B. 8.0cm
- C. 12.0cmCorrect
- D. 16cm
Explanation
Hi/Ho = v/u. u = v x Ho/Hi = 6 x 4/2 = 12cm.
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