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A 1 cm high object is placed at a distan...

A 1 cm high object is placed at a distance of 2f from a convex lens. What is the height of the image formed?

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LAKHMIR SINGH & MANJIT KAUR-REFRACTION OF LIGHT-Exercise
  1. Name the lens which can concentrate sun's rays to a point and burn a h...

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  2. Give the usual name for the following: A point inside a lens through...

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  3. A 1 cm high object is placed at a distance of 2f from a convex lens. W...

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  4. If the image formed by a convex lens is of the same size as that of th...

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  5. If an object is placed at the focus of a convex lens, where is the ima...

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  6. Where should an object be placed in order of to use a convex lens as a...

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  7. Where should an object the placed in front of the mirror so as to obta...

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  8. Where should an object be placed in front of a convex lens so as to ob...

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  9. For what position of an object a real, diminshed image is formed by a ...

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  10. If an object is at a considerable distance (or infinity) in front of a...

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  11. Draw the given diagram, Fig. in your answer book and complete it for t...

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  12. Where should an object be placed in order of to use a convex lens as a...

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  13. Name two factors on which the focal length of a lens depends.

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  14. State any two uses of convex lenses.

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  15. Fill in the following blanks with suitable words: a) Parallel rays ...

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  16. What is a lens? Distinguish between a convex lens and a concave lens. ...

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  17. a) Explain with the help of a digaram, why the convex lens is also cal...

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  18. a) Explain with the help of a diagram, why the concave lens is also ca...

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  19. Draw a ray diagram to show the formation of a real magnified image by ...

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  20. Describe with the help of a ray-diagram, the formation of image of a f...

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