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A concave lens and a convex lens have sa...

A concave lens and a convex lens have same focal length of `20 cm` and both put in contact this combination is used to view an object `5 cm` long kept at `20 cm` from the lens combination. As compared to object the image will be

A

magnified and inverted

B

reduced and erect

C

of the same size as the object and erect

D

of the same size as the object but inverted

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The correct Answer is:
A
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CP SINGH-REFRACTION AT SPHERICAL SURFACES-EXERCISES
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  2. A beam of parallel rays is brought to focus by a planoconvex lens. A t...

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  3. A concave lens and a convex lens have same focal length of 20 cm and b...

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  5. The size of the image of an object, which is at infinity, as formed by...

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  6. Choose the correct option regarding lenses in contact.

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  8. A convex lens A of focal length 20 cm and a concave lens B of focal le...

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  9. Two convex lenses of focal length f1 and f2 are mounted coaxially sepa...

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  10. A combination of two thin lenses with focal lengths f(1) and f(2) resp...

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  16. A concave mirrorr of focal length f(1) is placed at a distance of d fr...

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  17. A concave lens of focal length 20 cm placed in contact with ah plane m...

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  18. The distance between a convex lens and a plane mirror is 10 cm. The pa...

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

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  20. An object is placed at 15 cm from a convex lens of focal length 10 cm....

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