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Grade: 9

                        

A thin convex lens of a focal length of 10 cm is placed over plane glass mirror an object is placed 20 cm over the lens. Find the distance of image from the object?

A thin convex lens of a focal length of 10 cm is placed over plane glass mirror an object is placed 20 cm over the lens. Find the distance of image from the object?

10 years ago

Answers : (1)

Chetan Mandayam Nayakar
312 Points
							

1/20+1/v=1/10,v=20, for plane mirror object is 20cm behind mirror, therefore image is 20cm in front of mirror-lens combination implying that final image coincides with object

10 years ago
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