Question

Diagram shows an object AB placed on the principal axis B of a convex lens placed in air. F₁ and F₂ are the two foci of the lens.

(i) Copy the diagram:
Draw a ray of light starting from B and passing through O. Show the same ray after refraction by the lens. Draw another ray from B which passes through F₂ after refraction by the lens. Locate the final image
(ii) Is the image real or virtual?

Answer 1

(i) 

(ii) Image is virtual.