Question:
For paraxial rays show that the focal length of a spherical
Last updated: 6/26/2023
![For paraxial rays show that the focal length of a spherical](https://media.kunduz.com/media/sug-question-candidate/20210709102244595676-2282146.jpg?h=512)
For paraxial rays show that the focal length of a spherical mirror is one half of it radius of curvature Explain about total internal reflecting prisms with suitable ray diagrams