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 =1.55/1.75×10 4 =8857 Linear Magnification= 8857 =94.11
