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An object is kept in front of a lens of ...

An object is kept in front of a lens of focal length +10 cm. Describe the nature of the image in the object distance is 25 cm.

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Since the focal length of the lens (+10 cm) is positive , it is a convex lens .
If an object is kept at 25 cm from the lens , the image will be real and inverted.
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-LENSES-Answer the following questions :
  1. What is meant by the magnification produced by a lens State the formul...

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  2. Express the magnification produced by a lens in terms of the local len...

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  3. An object is kept in front of a lens of focal length +10 cm. Describe ...

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  4. An object is kept in front of a lens of focal length +10 cm. Describe ...

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  5. Annu and Anand have concave and convex lenses respectively. They took ...

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  6. To obtain a magnified real image of a small film strip, which type of...

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  7. When an object of height 2 cm is placed in front of a convex lens, the...

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  8. You are given a lens which gives a virtual , erect and enlarged image....

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  9. When an object of height 3 cm is placed in front of a concave lens, th...

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  10. State used of a convex lens.

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  11. State used of a convex lens.

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  12. An object is kept in front of a lens of focal length-20 cm . Describe...

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  13. An object is placed in front of a convex lens of focal length 20 cm . ...

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  14. What is the power of a lens ?

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  15. What is the unit of power of a lens ? Define it .

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  16. What is the sign of the power of (i) a convex lens (ii) a concave lens...

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  17. If there is an increase or decrease in the focal length of a lens, wha...

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  18. If two lenses of focal lengths f(1) and f(2) are kept in contact with ...

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  19. Draw a neat labelled diagram to show the structure of the human eye.

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  20. What is cornea ?

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