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(a) Drew a diagram to represent a convex...

(a) Drew a diagram to represent a convex mirror. On this diagram mark principal axis, principal focus F and the centre of curvature C if the focal length of convex mirror is 3 cm.
(b) An object 1 cm tall is placed 30 cm in front of a convex mirror of focal length 20 cm. Find the size and position of the image formed by the convex mirror.

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0.4 cm , 12 cm behind the mirror
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LAKHMIR SINGH & MANJIT KAUR-REFLECTION OF LIGHT -Exercise
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  4. A shop security mirror 5.0 m from certain items displayed in the shop ...

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

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

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  7. Define the principal focus of a concave mirror.

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

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

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

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

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  18. Define one dioptre of power of a lens.

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

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

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