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Ray optics
Physics · CBSE Class 12 · 63 questions and answers
Sample questions
- Q: What is lateral shift
- A: It is the perpendicular distance from incident ray and the emergent ray
- Q: Derive the mirror formula
- A: 1/v + 1/u = 1/f
- Q: What is reflection?
- A: bouncing back of light when it strikes a surface.
- Q: Snell’s law
- A: n1sini=n2sinr
- Q: Refractive index
- A: Ratio of speed of light in vacuum to speed in medium 𝑛 = 𝑐/𝑣
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