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How many images of a candle will be formed if it is placed between two parallel plane mirrors separated by 40 cm ?

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PSEB-LIGHT-EXERCISE
  1. State the laws of reflection.

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

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

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

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

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

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

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  8. Image formed by a plane mirror is :-

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  9. Describe the construction of a kaleidoscope.

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  10. Draw a labelled sketch of the human eye.

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

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

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  13. What is the angle of incidence of a ray if the reflected ray is at an ...

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  14. How many images of a candle will be formed if it is placed between two...

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  15. Two mirrors meet at right angles . A ray of light is incident on one a...

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  16. Boojho stands at A just on the side of a plane mirror as shown in the ...

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  17. Find out the position of the image of an object situated at A in the p...

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  18. Can Paheli at B see this image ?

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  19. Can Boojho at C see this image ?

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  20. When Paheli moves from B to C ,where does the image of A move ?

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