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An object is placed 15 cm from (alpha) a...

An object is placed 15 cm from `(alpha)` a converging mirror, and (b) a diverging mirror, of radius of curvature 20 cm. Calculate the image position and magnification in each case.

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(a) v = -30 cm, The image is formed 30 cm in front of converging mirror, -2
(b) v =+6 cm, The image is formed 6 cm behind the divergind mirror, m = + 0.4
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LAKHMIR SINGH & MANJIT KAUR-REFLECTION OF LIGHT -Exercise
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  4. An object 20 cm from a spherical mirror gives rise to a virtual image ...

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  5. Define the principal focus of a concave mirror.

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

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

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

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

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  16. Define one dioptre of power of a lens.

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

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

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

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  20. The image formed by a concave mirror is observed to be virtual, erect ...

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