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The focal length of a concave mirror is ...

The focal length of a concave mirror is 10 cm. Find its radius of curvature.

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20 cm
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ICSE-REFLECTION OF LIGHT-EXERCISE 7(C)
  1. State three characteristics of the image seen in part a.

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  2. A mirror which is always used as a rear view mirror for vehicles is :

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  3. Why does a driver use a convex mirror instead of a plane mirror as are...

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  4. For an incident ray directed towards centreof curvature of a spherical...

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  5. The image formed by a convex mirror is

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  6. Name the kind of spherical mirror used to obtain : A real and enlarged...

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  7. The radius of curvature of a convex mirror is 40 cm. Find its focal l...

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  8. The focal length of a concave mirror is 10 cm. Find its radius of cur...

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  9. An object of height 2 cm is placed at a distance 20cm in front of a co...

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  10. An object is placed at 4 cm distance in front of a concave mirror of r...

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  11. At what distance from a concave mirror of focal length 25 cm should an...

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  12. An object 5 cm high is placed at a distance 60 cm in fornt of a concav...

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  13. A point light source is kept in front of a convex mirror at a distance...

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  14. When an object of height 1 cm its kept at a distance 4 cm from a conca...

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  15. An object of length 4 cm is placed in front of a concave mirror at dis...

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  16. A concave mirror forms a real image of an object placed in front of i...

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  17. A concave mirror forms a virtual imageof size twice that of the object...

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  18. The image formed by a convex mirroris of size one third the size of ob...

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  19. The erect image formed by a concave mirror is of size double the size...

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  20. The magnification for a mirror is -3. How are u and v related?

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