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The photograph of a house occupies an area of 1.75 cm2 on a 35 mm slide. The slide is projected onto a screen, and the area of the house on the screen is 1.55 m2. What is the linear magnification of the projector-screen arrangement?

Class: Class 11 Subject: Physics Topic: Magnification

Arial Magnification = Area of the image/Area of the object

= 1.55/1.75 x 104

= 8.857x 103

Linear Magnification = √Arial magnification

= √8.857x 103 

= 94. 1

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