PHYSICS · Multi-part · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction
Problem
A concave mirror has a focal length of 15cm. A candle 10cm high is placed on the principal axis of the mirror.
(a) The candle is 45cm in front of the mirror. Calculate the position of the image and the magnification produced.
(b) Using your result in (a), state the nature and size of the image formed.
(c) Without performing detailed calculations, predict the nature and orientation of the image when the same candle is kept 7.5cm in front of the mirror. Give a brief reason for your answer.