an object is placed 15 CM in front of a convex lens of focal length 10 cm find the nature and position of the image formed when should a concave mirror of radius of curvature 20cm be placed so that the final image is formed at the position of the object itselfan object is placed 15 CM in front of a convex lens of focal length 10 cm find the nature and position of the image formed wher should a concave mirror of radius of curvature 20cm be placed so that the final image is formed at the position of the object itself

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(1) An object of size 7 cm is placed at 25 cm in front of concave mirror of focal length 15 cm. At what distance from the mirror should a screen be placed, so that we can get a sharp and clear image. Find nature and size of the image.

(2) An object of height 5 cm is held 20 cm away from converging lens of focal length 10 cm. Find the position, nature and size of the image formed.

(3) An object is placed at a distance of 10 cm from a convex lens of focal length 12 cm. Find the position and nature of the image.

Q. An object is placed in front of a concave mirror of radius of curvature 15 cm, at a distance of 10 cm, the position and nature of the image formed is :

Q. A convex lens of focal length 20 cm is placed coaxially with a convex mirror of radius of curvature 20 cm. The two are kept at 15 cm from each other. A point object placed 40 cm in front of the convex lens. Find the position of the image formed by this combination.

Q. A convex lens of focal length 20 cm is placed coaxially with a convex mirror of radius of curvature 20 cm. The two are kept 15 cm apart. A point object is placed 40 cm in front of the convex lens. Find the position of the image formed by this combination. Draw the ray diagram showing the image formation.

Q. An object S is placed at a distance of 20 cm from a convex lens of focal length 15 cm as shown in the figure. Where should a convex mirror of focal length 25 cm be placed from the lens, so that a real image is formed on the object itself?

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