32.A concave mirror of radius R is kept on a horizontal table. Water(refractive I=u) is poured into it up to a height h. Where should an object be placed so that it's image is formed on itself?

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A concave mirror of radius R is kept on a horizontal table. Water (refractive index $= μ$ ) is poured into it up to a height h. Where should an object be placed so that its image is formed on itself ?

Q. A concave morror of radius R is kept on a horizontal table(figure). Water

(refractiveindex=μ)

is poured into it upto a height h. Where should an object be placed (its distance from the water source) so that its final image is formed on itself. Consider two cases
(i) h

\to

0
(ii) in terms of h

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Q. An object is placed

15 c m

in front of a convex lens of focal length

10 c m

. Find the nature and position of the image formed. Where should a concave mirror of radius of curvature

20

cm be placed so that the final image is formed at the position of the object itself?

Q. A point object is kept between a plane mirror and a concave mirror facing each other. The distance between the mirrors is

22.5 c m

. Plane mirror is placed perpendicular to principal axis of concave mirror. The radius of curvature of the concave mirror is

20 c m

. What should be the distance of the object from the concave mirror so that after two successive reflections the final image is formed on the object itself? (Consider first reflection from concave mirror)

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