a convex lens has a focal length of 10cm at what distance from the lens should should the object should be placed so that it forms a real and inverted image 20 away from the lens what could be the size of the image formed by the object is 2cm high ? with the help of ray diagram show the formation of the image bt the lens in this case.
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Power of a lens p= 1/f
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1/10
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this will be use full for you
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