1.9 The photograph of a house occupies an area of on a 35 mm slide
PHYSICS · Subjective · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction
Problem
1.9 The photograph of a house occupies an area of 1.75cm2 on a 35 mm slide. The slide is projected on to a screen, and the area of the house on the screen is 1.55m2. What is the linear magnification of the projector-screen arrangement.