a concave lens has a focal length of 20cm at what distance from the lens of 5 cm tall object to be placed so that it forms an image at 15 cm from the lens also calculate of the size of the image formed
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u = -60cm
size of the image = 1.25cm
size of the image = 1.25cm
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hey
The size of the image is diminished,inverted and real
The size of the image is diminished,inverted and real
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