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What kind of mirror can have a focal len...

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

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Concave mirror
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LAKHMIR SINGH & MANJIT KAUR-REFLECTION OF LIGHT -Exercise
  1. Which type of mirror has : (a) positive focal length ? (ii) negat...

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

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

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  4. In case of spherical mirrors, all distances are measured from………. .

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  5. What sign (+ve or -ve) has been given to the following on the basis of...

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  6. Sign Convention

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  7. Giving reasons, the 'signs' (positive or negative) which can be given ...

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  8. Sign Convention

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  9. One of the following does not apply to a concave mirror. This is :

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  10. If a magnification of, -1 (minus one) is to be obtained by using a con...

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  11. In order to obtain a magnification of, -0.6 (minus 0.6 ) with a concav...

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  12. An object is placed at a large distance in front of a concave mirror o...

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  13. Magnification produced by a rear view mirror fitted in vehicles

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  14. Between which two points of concave should an object be placed to obta...

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  15. At what distance from a concave mirror of focal length 10 cm should an...

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  16. If a concave mirror has a focal 10 cm, find the two positions where an...

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  17. A mirror forms an image which is 30 cm form an object and twice its hi...

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  18. What type of image/images are formed by : (a) a convex mirror ? (b...

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  19. Which mirror has a wider field of view ?

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  20. If you want to see an enlarged image of your face, state whether you ...

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