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What is the minimum number of rays requi...

What is the minimum number of rays required for locating the image formed by a concave mirror for an object ? Draw a ray diagram to show the formation of a virtual image by a concave mirror.

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The correct Answer is:
Two rays
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LAKHMIR SINGH & MANJIT KAUR-REFLECTION OF LIGHT -Exercise
  1. The mirror used for the head light of a car is

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  2. Explain why, a ray of light passing through the centre of curvature of...

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  3. What is the minimum number of rays required for locating the image for...

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  4. With the help of a ray diagram, determine the position, nature and siz...

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  5. Describe with the help of a diagram, the nature, size and psition of t...

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  6. If and object is placed at a distance of 8 cm from a concave mirror of...

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  7. Draw a raydiagram showing how a concave mirror can be used to produce ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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