Answer the following questions related to the use of a simple magnifier.
PHYSICS · Multi-part · CBSE · Physics · Ray Optics and Optical Instruments · Ray Optics and Optical Instruments
Problem
Answer the following questions related to the use of a simple magnifier.
(i) Distinguish between the two common modes of using a magnifying glass: (a) final image at infinity (normal adjustment) and (b) final image at the least distance of distinct vision.
(ii) Explain why the magnifying power is greater when the image is formed at the near point, although this arrangement demands more accommodation of the eye.
(iii) Give any two practical situations in which a user might still prefer to keep the image at infinity despite the lower magnification.