Pradeep Asked a Question December 5, 2020 12:17 am
30 pts 50. When sunlight is focused on a paper using a bi-convex lens, it starts to burn in the shortest time if the lens is kept 0.5 m above it. If the radius of curvature of the lens is 0.75 m then, the refractive index of the material is
- 0 Likes
- 1 Comments
- Shares