The photograph of a house occupies an area of 1.75 cm2 on a 35 mm slide. The slide is projected on to 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?
Arial Magnification = Area of image / Area of object =1.55/1.75×104 =8857 Linear Magnification=8857=94.11
