Here are the list of important derivations for Class XII Physics Chapters Ray Optics and Wave Optics. These two chapters constitute about 14 marks and a good amount of that goes to derivations. I used these derivations for my board exam revision and it was quite effective!
This Post deals about these derivations -
This Post deals about these derivations -
- Derive the mirror formula for concave mirror
- Show that Refractive Index = Real Depth / Apparent Depth
- Derive a relation between critical angle and refractive index of a medium
- Obtain the lens formula for a thin convex lens when the image is real
- Two thin convex lenses of focal lengths f1 and f2 are kept in contact with each other coaxially. Deduce and expression for the effective focal length of the combination
- Deduce and expression for the dispersive power of a prism.
TWO BE CONTINUED....
The above list should also include the Lens Makers Formula
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