A candle is initially kept slightly beyond on the principal axis of a convex lens of…
PHYSICS · Subjective · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction
Problem
A candle is initially kept slightly beyond 2F on the principal axis of a convex lens of focal length f. The candle is then moved slowly towards the lens until it reaches just in front of F. Describe qualitatively:
(i) how the image distance changes,
(ii) how the image size changes, during this movement.