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A luminous object is placed at a distanc...

A luminous object is placed at a distance of 30 cm from the convex lens of focal length 20 cm.On the other sie of the lens,at what distance from the lens,a convex mirror of radius of curvature 10 cm be placed in order to have an upright imae of the object coincident with it?

A

12 cm

B

30 cm

C

50 cm

D

60 cm/

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
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  2. A bulb is located on a wll.Its image of equal size is to be obtained o...

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  3. A luminous object is placed at a distance of 30 cm from the convex len...

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  8. If a convex lens of focal length 80 cm and a concave lens of focal len...

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  10. Two thin lenses of focal length f1 and f2 are in contact and coaxial.T...

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