Class 12

Virtual image formed by a convex lens is erect and magnified but the virtual image formed by a concave lens is always erect and diminished one. Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.

Gupta Ravi

Asked: January 6, 2025In: Class 12 Physics

Two thin lenses of power + 6 D and – 2 D are in contact. What is the focal length of the combination?

P = P₁ + P2 = (+ 6 D) + (-2D) = + 4 D Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.

Category: Class 12

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Two thin lenses of power + 6 D and – 2 D are in contact. What is the focal length of the combination?

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