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An object of height 4cm is placed in front of a cuboid pinhole camera of...

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Question 22

An object of height 4cm is placed in front of a cuboid pinhole camera of size 6 cm. if the image formed is 2 cm high, how far is the object from the pinhole?

A

3.0 cm

B

8.0 cm

C

12.0 cm

D

16.0 cm

Explanation

Share Answer Magnification = (image height)/object height
= (lenght camera)/object distance from pin-hole
(2)/4 = (6)/X
X (4 x 6)/2 = 12 cm

Correct option: C

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