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Post-UTME Physics 2019 Objective — Question 11

Question 11 of 20 from the Post-UTME Screening (Post-UTME) Physics 2019 Objective paper, with the correct answer and a full explanation.

A pin-hole camera of magnification 10-2 is used to photograph a tree 5.0 tall. The height of the image is

A. 50.0cm
B. 5.0cmCorrect
C. 1.0cm
D. 0.5cm

Explanation

Image height = magnification x object height = 10^-2 x 5.0m = 0.05m = 5.0cm.

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