An object is 60 cm in front of a thin lens, the image being 300 cm on the other side of the lens. Calculate the displacement of the image, when the object is moves 20 cm nearer to the lens.

An object is 60 cm in front of a thin lens, the image being 300 cm on

1.	An object is 60 cm in front of a thin lens, the image being 300 cm on the other side of the lens. Calculate the displacement of the image, when the object is moves 20 cm nearer to the lens.
Answer» Correct Answer - 500 cm

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An object is 60 cm in front of a thin lens, the image being 300 cm on the other side of the lens. Calculate the displacement of the image, when the object is moves 20 cm nearer to the lens.

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