The focal length of a convex lens is 50 cm. To obtain a real image of double size of the object thenhow far the object has to kept from the lens ?

The focal length of a convex lens is 50 cm. To obtain a real image o

1.	The focal length of a convex lens is 50 cm. To obtain a real image of double size of the object thenhow far the object has to kept from the lens ?
Answer» F will be le.ss than F1 Ex..PLANATION 1f = 1F1 + 1F2 1f1 = 1F1 + 1F2 - dF1F2 where d is t.he dist.ance between LENSES.

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The focal length of a convex lens is 50 cm. To obtain a real image of double size of the object thenhow far the object has to kept from the lens ?​

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The focal length of a convex lens is 50 cm. To obtain a real image of double size of the object thenhow far the object has to kept from the lens ?