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Have you seen that objects beyond and ab...

Have you seen that objects beyond and above a holi fire appear to be shaking? why does this happen ? Give scientific reasons

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CHETANA PUBLICATION-LIGHT-REFLECTION AND REFRACTION-EXAMPLE
  1. Give a diagrammatic representation of Rainbow production

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  2. When light passes thorough glass slab,the incidnet ray and emergent ra...

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  3. From incident white light how will you obtain emergent light by making...

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  4. You must have seen chandeliers having glass prism. The light from a tu...

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  5. Have you seen that objects beyond and above a holi fire appear to be s...

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  6. Complete the diagram.

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  7. Write the ratio of velocity of light in first medium to the velocity o...

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  8. If the light was incident on the interface at an angle greater than cr...

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  9. Compete the followign diagram:

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  10. Which colour of light deviates the least in the spectrum obtained with...

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  11. Among orange and violet, which colour has highest velocity?

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  12. What is critical angle?

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  13. State any one phenomenon in nature which is based on total internal re...

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  14. What is total internal reflection?

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  15. Which phenomenon does the diagram show?

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  16. Which law obeyed by light makes this phenomenon occur?

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  17. Name one more phenomenon in nature where the below law is observed.

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  18. Answer the following question form the diagram: How many times does th...

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  19. Answer the following question form the diagram: Which two rays are par...

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  20. Answer the following question form the diagram: Which two angles are e...

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