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A lens forms a virtual, erect and dimini...

A lens forms a virtual, erect and diminished image whatever be the position of the object. Which type of lens this ?

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the lens must be a concave lens.
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PRADEEP-RAY OPTICS-Very Short Answer (b)
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  8. What type of lens is an air bubble inside water ?

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  10. a convex lens forms a virtual image of an object. What is the position...

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  11. An object is placed at the focus of a concave lens. Where will be imag...

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  14. Two thin lenses of power + 6 D and - 2 D are in contact. What is the f...

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  15. What is the basis of an optical fibre ?

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  18. Define one dioptre of power of a lens.

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  19. What is focal length of a lens of power 2.5 D ?

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  20. What is total magnification of three lenses of magnification 2, 3, 4 i...

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