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Mention against each of the following wh...

Mention against each of the following wheather regular or diffused reflection will take place when a beam of light strikes. Justify your answer in each case. Polished wooden table .

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PSEB-LIGHT-EXERCISE
  1. Suppose you are in a dark room . Can you see objects in the room ?Can ...

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  2. Differentiate between regular and diffused reflection. Does diffused r...

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  3. Mention against each of the following wheather regular or diffused ref...

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  4. Mention against each of the following wheather regular or diffused ref...

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  5. Mention against each of the following wheather regular or diffused ref...

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  6. Mention against each of the following wheather regular or diffused ref...

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  7. Mention against each of the following wheather regular or diffused ref...

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  8. Mention against each of the following wheather regular or diffused ref...

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  9. State the laws of reflection.

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  10. Describe an activity to show that the incident ray , the reflected ray...

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  11. Fill in the blanks : A person 1m in front of a plane mirror seems to...

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  12. Fill in the blanks : If you touch your …………….. Ear with right hand i...

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  13. Fill in the blanks : The size of the pupil become …………….when you see ...

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  14. Fill in the blanks : Night birds have …………….cons than rods in their ...

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  15. Angle of incidence is equal to the angle of reflection.

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  16. Image formed by a plane mirror is :-

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  17. Describe the construction of a kaleidoscope.

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  18. Draw a labelled sketch of the human eye.

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  19. Gurmit wanted to perform activity 16.8 using a laser torch . Her teach...

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  20. Explain how can you take care of your eyes .

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