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State where an object must be placed so ...

State where an object must be placed so that the image formed by a concave mirror is :
(a) erect and virtual.
(b) at infinity.
( c) the same size as the object.

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LAKHMIR SINGH & MANJIT KAUR-REFLECTION OF LIGHT -Exercise
  1. Draw a raydiagram showing how a concave mirror can be used to produce ...

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  2. Which mirror is used as a toch reflector ? Draw a labelled diagram to ...

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  3. State where an object must be placed so that the image formed by a con...

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  4. With the help of a labelled ray diagram, describe how a converging mir...

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  5. Make lablled ray diagrams to ollustrate the formation of : (a) a re...

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  6. Which type of mirror is used in a solar furnace ? Support your answer ...

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

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  8. Which property of concave mirror is utilized for using them as shaving...

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  9. Give two uses of concave mirrors. Explain why you would choose concave...

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  10. (a) Draw ray-diagrams to show the formation of images when the object ...

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  11. The real image formed by a concave mirror is larger then the object wh...

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  12. The real image formed by a concave mirror is smaller than the object i...

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  13. The image formed by a concave mirror is virtual, erect and magnified. ...

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  14. The image formed by a concave mirror is real, inverted and of the same...

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  15. The image formed by a concave mirror is real, inverted and highly dimi...

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  16. The angle of incidence for a ray of light passing throught the centre ...

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  17. In the concave reflector of a torch, the bulb is placed :

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  18. The focal length of a small concave mirror is 2.5 cm. In order to use ...

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  19. An object is 100 mm in front of a concave mirror which produces an upr...

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  20. A virtual, erect and magnified image of an object is to be produced wi...

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