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What is meant by magnification ? Write i...

What is meant by magnification ? Write its expression. What is its sign for the a. real b. virtual, image?

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ICSE-REFLECTION OF LIGHT-EXERCISE 7(C)
  1. How is the focal length of a spherical mirror related to its radius of...

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  2. Write the spherical mirror's formula and explain the meaning of each s...

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  3. What is meant by magnification ? Write its expression. What is its sig...

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  4. What may be the maximum distance of the image in a convex mirror can ...

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  5. Upto what maximum distance from a concave mirror, the image can be obt...

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  6. You are provided with (a) a plane mirror, (b) a convex mirror and ( c ...

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  7. State two uses of a concave mirror.

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  8. State the kind of mirror used a. by a dentist, b. as a search light ...

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  9. (a) When a concave mirror is used as a shaving mirror, where is the p...

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  10. State three characteristics of the image seen in part a.

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

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

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

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  14. The image formed by a convex mirror is

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

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

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

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

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

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

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