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If the radius of curvature of a spherical mirror is 20 cm, what is its focal length ?

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LAKHMIR SINGH & MANJIT KAUR-REFLECTION OF LIGHT -Exercise
  1. Which of the following are concave mirrors and which convex mirror ? ...

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  2. How will you distinguish between a plane mirror, a convex mirror and a...

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  3. If the radius of curvature of a spherical mirror is 20 cm, what is its...

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  4. (a) Draw a labelled ray diagram to shwo the formation of image in a co...

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  5. (a) Draw a labelled ray diagram to shwo the formation of image in a co...

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  6. The image formed by a spherical mirror is virtual. The mirror will be.

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  7. Whatever be the position of the object, the image formed by a mirror i...

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  8. The mirror used by a dentist to examine the teeth of a person is :

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  9. If the image formed is always virtual, the mirror can be :

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  10. A concave mirror cannot be used as :

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  11. A boy is standing in front of and close to a special mirror. He find t...

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  12. The mirror which can form a magnified image of an object is :

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  13. For what position of an object, a concave mirror forms a real image e...

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  14. Consider two statements A and B given below : A : real image is alwa...

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  15. The diagrams show the appearance of a fork when placed in front of and...

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  16. The diagram shows a dish antenna which is used to receive televisiton ...

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  17. A man standing in front of a special mirror finds his image having a v...

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  18. Two bigmirrors A and B are fitted side by side on a wall. A man is s...

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  19. An object is kept at a distance os 5 cm in front of a convex mirror of...

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  20. An object is placed at a distance at a of 10 cm from a convex mirror o...

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