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A shop security mirror 5.0 m from certai...

A shop security mirror 5.0 m from certain items displayed in the shop produces one-tenth megnification.
(a) What is the type of mirror ?
(b) What is the radius of curvature of the mirror ?

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(a) Convex mirror
(b) `10/9m`
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LAKHMIR SINGH & MANJIT KAUR-REFLECTION OF LIGHT -Exercise
  1. The radius of curvature of a convex mirror used as a rear view mirror ...

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  2. (a) Drew a diagram to represent a convex mirror. On this diagram mark ...

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  3. A shop security mirror 5.0 m from certain items displayed in the shop ...

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  4. An object is placed 15 cm from (alpha) a converging mirror, and (b) a ...

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  5. An object 20 cm from a spherical mirror gives rise to a virtual image ...

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  6. Define the principal focus of a concave mirror.

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  7. The radius of curvature of a spherical mirror is 20 cm. What is its fo...

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  8. Name a mirror that can give an erect and enlarged image of an object.

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  9. If the radius of curvature of a spherical mirror is 20 cm, what is its...

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  10. Find the focal length of a concave mirror whose radius of carvature is...

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  11. A concave mirror produces three times magnified real image of an objec...

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  12. A ray of light travelling in air enters obliquely into water. Does the...

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  13. Light enters from air into a glass plate having refractive index 1.50....

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  14. Find out from Table on page 225 the medium having highest optical dens...

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  15. You are given kerosene, turpentine and water. In which of these does t...

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  16. The refractive index of diamond is 2.42. What is the meaning of this s...

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  17. Define one dioptre of power of a lens.

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  18. A convex lens forms a real and inverted image of a needle at a distanc...

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  19. Find the power of a concave lens of focal length 2 m.

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  20. Which one of the following materials cannot be used to make a lens ?

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