![An object is placed 30 cm (from the reflecting surface) in front of a block of glass 10 cm thick having its farther side silvered. The final image is formed 23.2 cm An object is placed 30 cm (from the reflecting surface) in front of a block of glass 10 cm thick having its farther side silvered. The final image is formed 23.2 cm](https://toppr-doubts-media.s3.amazonaws.com/images/9692255/f6f91f22-a133-4f68-aae9-31b627adeaeb.jpg)
An object is placed 30 cm (from the reflecting surface) in front of a block of glass 10 cm thick having its farther side silvered. The final image is formed 23.2 cm
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![A point object is placed at a distance of 30 cm from a convex mirror of focal length of 30 cm. The image will form at A point object is placed at a distance of 30 cm from a convex mirror of focal length of 30 cm. The image will form at](https://search-static.byjusweb.com/assets/question-images/84c8acb1-ab72-4554-89fe-e089ecbbf3711481189671243635549.png)
A point object is placed at a distance of 30 cm from a convex mirror of focal length of 30 cm. The image will form at
an objet is placed 30cm in front of a plano convex lens with its spherical surface of radius of curvature 20cm if the refractive index of the material of the lense is
![An object is placed at a distance of 30 cm in front of a convex mirror of focal length 15 cm. Wr... - YouTube An object is placed at a distance of 30 cm in front of a convex mirror of focal length 15 cm. Wr... - YouTube](https://i.ytimg.com/vi/vvs1Ljn2hg4/maxresdefault.jpg)