Physics JAMB

An object is placed 10m from a pinhole camera of length 25cm. Calculate the linear magnification.

A. 2.5×10²
B. 2.5×10−²
C. 2.5×10−¹
D. 2.5×10¹

Correct Answer:

Option B – 2.5×10−²

Explanation

Linear Magnification=Length of Camera/Distance of the Object

Linear Magnification=25/1000

Linear Magnification = 2.5×10−²

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