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Answer the following questions If the ...

Answer the following questions
If the refractive index of a rarer medium with respect to a denser medium is 0.5 what is the critical angle ?

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NAVNEET PUBLICATION-REFRACTION OF LIGHT-EXERCISE
  1. Answer the following questions Define total internal reflection of l...

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  2. Answer the following questions Define critical angle.

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  3. Answer the following questions If the refractive index of a rarer me...

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  4. Answer the following questions Name the devices in which total inter...

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  5. Answer the following questions Explain why an empty test tube held o...

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  6. Answer the following questions Prove the following statement : A rai...

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  7. With a neat labelled diagram explain rainbow formation

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  8. Answer the following questions Observe the given figure and answer t...

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  9. Answer the following questions Observe the given figure and answer t...

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  10. Answer the following questions Observe the given figure and answer t...

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  11. Write short notes on the following : Refraction observed in the atmos...

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  12. Write short notes on the following : Dispersion of light

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  13. Give scientific reasons A coin kept in a bowl is not visible when se...

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  14. Give scientific reasons Apencil dipped in water obliquely appears be...

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  15. Give scientific reasons When a pencil is partly immersed in water an...

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  16. Give scientific reasons The shadow of the edge of an empty vessel is...

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  17. Give scientific reasons The bottom of a pond appears raised.

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  18. Give scientific reasons While shooting a fish in a lake, the gun is ...

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  19. Give scientific reasons Stars twinkle but we do not see the twinkling...

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  20. Give scientific reasons Stars appear to be twinkling at night.

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