Physics-10th Light - Reflection and Refraction CBSE Board 2020 Medium
(a) Define the following terms : (i) Power of a lens (ii) Principal focus of a concave mirror (b) Write the r…
(a) Define the following terms :
- (i)Power of a lens
- (ii)Principal focus of a concave mirror (b) Write the relationship among the object distance (), image distance () and the focal length () of a (i) Spherical lens (ii) Spherical mirror (c) An object is placed at a distance of 10 cm from optical centre of a convex lens of focal length 15 cm. Draw a labelled ray diagram to show the formation of image in this case.
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