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The focal leght of a spherical mirror is...

The focal leght of a spherical mirror is 40 cm. What is its radius of curvature ?

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80 cm'
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CHHAYA PUBLICATION-REFLECTION OF LIGHT-VERY SHORT ANSWER TYPE QUESTION
  1. The radius of curvature of a concave mirror is 30 cm. What is its foca...

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  2. Which spherical mirror is called a divergent mirror-concave or convex?

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  3. The focal leght of a spherical mirror is 40 cm. What is its radius of ...

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  4. What is the value of focal leght of a plane mirror?

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  5. What is the power of a plane mirror?

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  6. What is the relation between radius of curvature ( r ) and focal leng...

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  7. Does the size of mirror affect the nature of the image ?

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  8. The focal length of a concave mirror is equal for all colours of light...

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  9. What type of mirror is to be used for getting parallel rays from a sma...

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  10. What will happen to the focal length of concave mirror when it is imm...

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  11. Where should an object be placed in front of a concave mirror to get a...

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  12. Why do we sometimes use a concave mirror instead of a plane mirror as ...

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  13. What is the magnification of the image of an object placed at the cen...

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  14. What is the magnification of an object placed at the focus of a concav...

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  15. Can a convex mirror ever form a real image of a real object?

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  16. What will be the image of an object placed before a convex mirror-erec...

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  17. Two concave mirrors are placed face to face and they have the same cen...

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  18. If an object is placed between the pole and the focus of a concave mir...

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  19. Smaller virtual image is formed by mirror. [Fill in the blanks]

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  20. What is the minimum distance between an object and its image formed by...

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