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Course: Optics (Essentials) - Class 12th > Unit 2
Lesson 4: How to calculate image and object distances and few more things!- Mirror formula derivation
- Cartesian sign conventions mirrors
- Sign convention
- Why do we use sign convention twice?
- Solved example: Mirror formula
- Worked example: Magnification in mirrors
- Using the magnification formula for mirrors
- Nature and size of images from magnification
- Concave and convex mirrors
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Why do we use sign convention twice?
We use sign convention once in derivation, and once while solving problems. Why do we use it twice? Let's understand that in this video!
Created by Vibhor Pandey.