Q 2.9: The photograph of a house occupies an area of 1.75 on a 35 slide. The slide is projected on to a screen, and the area of the house on the screen is 1.55 . What is the linear magnification of the projector-screen arrangement.
Area of the house in the photo =
Area of the house on the screen =
Arial magnification, = Area on the screen / area on photo =
Linear magnification of the projector- screen arrangement