what is the focal length of double concave lens kept in air with two spherical surfaces of radii R1 and R2.if R1 is half of R2 and R1 = 10 cm and refraction index of lens is 1.5
Answers
Answered by
1
Answer:
sjwjjwsjdhhhdsbbwbbxbx
Explanation:
bxhdhehdheuusbsnwnnjwjkqkqjjjjhquwu
Answered by
0
Answer:
radius
Explanation:
- uu5vffjffivfttkuyuj
Similar questions