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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?

Grade:9

1 Answers

Chetan Mandayam Nayakar
312 Points
11 years ago

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

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