A convex lens makes a real image 4 cm long on a screen. When the lens is shifted to a new position without disturbing the object, we again get a real image on the screen which is 16 cm tall. The length of the object must beA. `1//4 cm`B. `8 cm`C. `12 cm`D. `20 cm`

A convex lens makes a real image 4 cm long on a screen. When the lens

1.	A convex lens makes a real image 4 cm long on a screen. When the lens is shifted to a new position without disturbing the object, we again get a real image on the screen which is 16 cm tall. The length of the object must beA. `1//4 cm`B. `8 cm`C. `12 cm`D. `20 cm`
Answer» Correct Answer - b

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A convex lens makes a real image 4 cm long on a screen. When the lens is shifted to a new position without disturbing the object, we again get a real image on the screen which is 16 cm tall. The length of the object must beA. `1//4 cm`B. `8 cm`C. `12 cm`D. `20 cm`

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