A double convex lens has 10cm and 15cm as its two radii of curvature. The image of an object placed 30cm from the lens, is formed at 20cm from the lens on the other side. Find the refractive index of the material of the lens. What will be the focal length? what will be the focal length of the lens, if it is immersed in water of refractive index 1.33 ?
Answers
Answered by
0
Answer:
I don't know
Explanation:
I don't know sorry
Similar questions