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Why does a pencil immersed in water appe...

Why does a pencil immersed in water appear bent and short? Explain with the help of a ray diagram?

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MBD-LIGHT:REFLECTION AND REFRACTION-EXAMPLE
  1. If a ray of light travelling in glass enters into water will it bend t...

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  2. Find relation for refractive index in terms of real depth and apparent...

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  3. Why does a pencil immersed in water appear bent and short? Explain wit...

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  4. Which phenomenon is shown in the figure? Give its definition and give ...

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  5. Define Snell's law. What is refractive index? Write its mathematical f...

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  6. What is lens?

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  7. Define the terms: 1 Optical centre 2.Principal axis 3. principal focus...

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  8. How is image formed by a concave lens? Show by drawing diagram as to w...

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  9. What is lens formula ? Give its sign conventions

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  10. What is magnification of a lens?

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  11. Compare convex and concave lenses

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  12. What are the differences between reflection and refraction?

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  13. Define 1 dioptre of power of a lens

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  14. The radius of curvature of a concave mirror is 30 cm what is its focal...

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  15. The radius of curvature of a convex mirror is 40 cm what is its focal ...

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  16. A concave mirror produces three times magnified real image of an objec...

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  17. An object is placed at a distance of 10 cm from a convex mirror of foc...

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  18. Light enters from air to diamond having refractive index 2.4. what is ...

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  19. Light travels from air to water of refractive index 1.33. calculate th...

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  20. Refractive index of water w.r.t. air is 4/3and that of glass w.r.t air...

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