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In previous question, the nature and siz...

In previous question, the nature and size of the image are

A

real 20 cm

B

real 10 cm

C

virtual 20 cm

D

virtual 10 cm

Text Solution

Verified by Experts

The correct Answer is:
B
`(I)/(O)=(v)/(u)`
`(I)/(5)=(90)/(-45)impliesI=-10cm`
Real image
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CP SINGH-REFRACTION AT SPHERICAL SURFACES-EXERCISES
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  2. A needle of height 5 cm placed 45 cm from a lens forms an image on a s...

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  3. In previous question, the nature and size of the image are

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  4. An object is placed first at infinity and then at 20 cm from the objec...

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  5. The focal length of convex tens is f and the distance of an object fro...

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  6. The distance between an object and its real image formed by a lens is ...

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  7. An object is placed at a distance of 12 cm from a convex lens on its p...

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  8. When an object is moved along the axis is of a lens images three times...

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  9. The distance between two point object P and Q is 32 cm, a convex lens ...

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  10. An image of a bright square is obtained on a screen with the aid of a ...

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  11. A lens if placed between a source of light and a wall. It forms images...

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  12. Figure given below shows a beam of light converging at point P. When a...

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  13. A converging beam of rays in incident on a diverging lens. Having pass...

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  14. A cardsheet divided into squares each of size 1 mm^(2) is being viewed...

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  15. Rays of light from Sun falls on a biconvex lens of focal length f and ...

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  16. A boy is trying to start a fire by focusing sunlight on a piece of pap...

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  17. The distance between an object and its real image formed by a convex l...

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  18. A thin converging lens of focal length f is placed bewteen an obejct a...

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  19. In the displacement method, a convex lens is placed in between an obje...

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  20. The distance between the object and the screen is d (greater than 4 ti...

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