(a) Define the following terms for spherical mirrors and thin lenses: (i) principal…
PHYSICS · Subjective · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction
Problem
(a) Define the following terms for spherical mirrors and thin lenses:
(i) principal focus,
(ii) focal length.
(b) State the mathematical relationship known as the mirror formula as well as the lens formula, clearly identifying every symbol used.
(c) Write the expressions for linear magnification produced by a spherical mirror and by a thin lens under the Cartesian sign convention.
(d) Mention one important difference in the sign of magnification for a real image in the two cases.