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Give two uses of concave mirrors. Explai...

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

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For Concave Mirror

The concave mirrors are used in

A concave mirror cannot be used as :

A concave mirror cannot from

Focal length of a concave mirror is

Cases For Concave Mirror|OMR

What is the difference in the shape of a concave mirror and a convex mirror ? Give one use of concave mirror and one of convex mirror.

(a) To construct a ray diagram, we use two rays which are so chosen that it is easy to know their directions after reflection from the mirror. List two such rays and state the path of these rays after reflection in case of concave mirrors. Use these two rays and draw ray diagram to locate the image of an object placed between pole and focus of a concave mirror. (b) A concave mirror produces three times magnified image on a screen. If the object is placed 20 cm in front of the mirror, how far is the screen from the object?

The image formed by a concave mirror

LAKHMIR SINGH & MANJIT KAUR-REFLECTION OF LIGHT -Exercise
  1. Name the type of mirror used by dentists. How does it help ?

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

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

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

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

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

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

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

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

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

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

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

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

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

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  15. A concave mirror has a focal length of 25 cm. At which of the followin...

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  16. An object is placed at the following distances from a concave mirror o...

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  17. According to the "New Cartesian Sign Convention" for mirros, when sigh...

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  18. Which type of mirror has : (a) positive focal length ? (ii) negat...

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  19. What is the nature of a mirror having a focal length of, +10 cm ?

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  20. What kind of mirror can have a focal length of, -20 cm ?

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