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A small candle 2.5 cm in size is placed ...

A small candle `2.5 cm` in size is placed `27 cm` in front of a concave mirror of radius of curvature `36 cm`. At what distance from the mirror should a screen be placed in order to receive a sharp image ? Describe the nature and size of the image. If the candle is moved closer to the mirror, how would the screen have to be moved ?

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Verified by Experts

`v = -54 cm`. The image is real, inverted and magnified. The size of the image is 5.0 cm. As `urarrf, v rarroo," for "u lt f`, image is virtual.
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NCERT TAMIL-RAY OPTICS AND OPTICAL INSTRUMENTS-EXERCISES
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  6. A prism is made of glass of unknown refractive index.A parallel beam o...

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  7. A double convex lens is made of glass of refractive index 1.55 with bo...

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  8. A beam of light converges to a point P. A lens is placed in the path o...

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  9. An object of size 3.0 cm is placed 14 cm in front of a concave lens of...

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  10. What is the focal length of a convex lens of focal length 30 cm in con...

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  11. A compound microscope consists of an objective lens of focal length 2....

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  12. A person with a normal near point (25 cm) using a compound microscope ...

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  13. A small telescope has an objective lens of focal length 144 cm and an ...

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  14. (i) A giant refracting telescope at an observatory has an objective le...

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  15. Use the mirror equation to deduct that : (a) an object between f and...

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  16. A small pin fixed on a table top is viewed from above from a distance ...

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  17. a.Figure shows a cross-section of a 'light pipe' made of glass fibre o...

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  18. Answer the following questions : Does the apparent depth of a tank o...

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  19. Answer the following questions : Does the apparent depth of a tank o...

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  20. Answer the following questions : Does the apparent depth of a tank o...

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