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What is light?...

What is light?

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JNAN PUBLICATION-PHYSICAL ENVIRONMENT (LIGHT)-EXAMPLE
  1. Fill in the blanks:- When a ray of light travels from denser medium to...

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  2. Fill in the blanks:- Velocity of light in water is .

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  3. What is light?

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  4. How much time it takes light to reach from sun to earth?

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  5. Name a real and unreal source of light.

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  6. Name an instrument which is made using the principal of reflection of ...

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  7. In a plane mirror if a ray of light reflects at 35^@ angle then what w...

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  8. If a ray of lights strikes a mirror perpendicularly what will be the v...

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  9. In what kind of surface regular reflection occurs?

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  10. What is meant when it is said that the critical angle of diamond with ...

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  11. In internal reflection light reflects from which medium to which mediu...

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  12. Name a natural phenomena which is created due to internal reflection?

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  13. Define absolute refractive index.

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  14. When light enters a denser medium from a rarer medium how it changes i...

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  15. When light enters a rarer medium from a denser medium how it changes i...

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  16. What type of image is created in a plane mirror?

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  17. What type of reflection occurs on the page of a book?

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  18. In what kind of reflection image is formed?

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  19. State the conditions of total internal reflection.

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  20. The critical angle of water is 49^(@) - explain the statement.

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