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What colours make up white light ?...

What colours make up white light ?

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LAKHMIR SINGH & MANJIT KAUR-LIGHT-EXERCISEE
  1. What happens when a beam of sunlight is passed through a glass prism ?...

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  2. (a) What is spectrum ? What is the name of glass shape used to produce...

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  3. What colours make up white light ?

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  4. What is a lens ? Name the two types of lenses. Name any five things wh...

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  5. What kind of lens is used as a magnifying glass ?

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  6. Which type of reflector is used in car headlights for producing a para...

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  7. Name a natural phenomenon which is caused by the dispersion of sunligh...

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  8. Why does a parting in our hair on the left appear to be a parting on t...

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  9. What information do we get about sunlight from the formation of a rain...

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  10. In what way is the word AMBULANCE painted in front of the hospital van...

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  11. What is a real image ? Give one example of real image.

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  12. What is a virtual image ? Give one example of virtual image.

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  13. You see your image in a plane mirror. State two characteristics of the...

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  14. State three characteristics of the image of an object formed by a conc...

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  15. Explain how, we are able to see the table lying in a room though it do...

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  16. State three characteristics of the image formed by a convex mirror of ...

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  17. Name the type of mirror used by dentists. How does it help ?

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  18. How many colours are present in a rainbow ? Name them.

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  19. A vitual image larger than the object can be produced by

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  20. Which of the following lenses would you prefer to use while reading sm...

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