NCERT Important Questions Class 10 Science physics Chapter 10
Important NCERT Extra Questions
Chapter 10 Light – Reflection and Refraction
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
NCERT Solutions for Class 10 Science Chapter 10
Share
(a) A convex lens has 4 dioptre power having a focal length 0.25 m