Class 12 Boards | Beam Optics and Optical Instruments| किरण प्रकाशिकी एवं प्रकाशिक यंत्र | NEET 2022

Class 12 Physics | Chapter 9 Ray Optics and Optical Instruments | Important Questions & Quick Revision | Part 1

Class 12 Physics | Chapter 9 Ray Optics and Optical Instruments | Important Questions & Quick Revision | Part 2

Class 12 Physics | Chapter 9 Ray Optics and Optical Instruments | Important Questions & Quick Revision | Part 3

Light (प्रकाश)|Ray Optics (किरण प्रकाशिकी )|Laws Of Reflections (परावर्तन के नियम)|OMR

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Converging rays are incident ono a convex spherical mirror so that their extensions intersect 30cm behind the mirror on the optical axis. The reflected rays form a diverging beam so that their extensions intersect the optical axis 1.2 m from the mirror. Determine the focal length of the mirror.

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