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A concave mirror produces real image 10 ...

A concave mirror produces real image `10 mm` tall, of an object `2.5 mm` tall placed at `5 cm` from the mirror. Calculate focal length of the mirror and the position of the image.

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The correct Answer is:
`- 4 cm ; - 20 cm`
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PRADEEP-OPTICS-Exercise
  1. An object 2 cm high is placed at a distance of 16 cm from a concave mi...

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  2. An object is placed in front of a concave mirror of focal length 20 cm...

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  3. A concave mirror produces real image 10 mm tall, of an object 2.5 mm t...

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  4. A square object is placed 15 cm from a convex mirror of radius of cura...

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  5. The image formed by a convex mirror of focal length 30 cm. is a quarte...

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  6. Calculate the distance of an object of height h from a concave mirror ...

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  7. When an object is placed at a distance of 60 cm from a convex spherica...

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  8. An object is placed in front of a concave mirror of radius of curvatur...

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  9. A concave mirror of focal length 20 cm is placed at a distance of 50 c...

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  10. An object is placed 0.4 m from a convex mirror and a plane mirror is ...

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  11. Two plane mirror are inclined to eachother at an angle theta = 70^(@...

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  12. A rod AB = 10 cm in length is placed along the principal axis of a con...

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  13. Size of an object P is four times that of Q. It is required that the s...

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  14. An object is placed at a distance of 36 cm from a convex mirror. A pl...

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  15. A motor car is fitted with a convex driving mirror of focal length 20 ...

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  16. What is the refractive index of a medium in which light travels with a...

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  17. Refractive index of glass w.r.t water is 9//8. What is the speed of li...

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  18. A small ink dot on a paper is seen through s glass slab of thickness 4...

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  19. For total internal reflection, light must travel

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  20. Optical fibers are based on the phenomenon of

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