A convergent lens has a focal length of 7cm a 2cm tall

A convergent lens has a focal length of 7cm. A 2cm tall image forms 30cm from the lens.

(a) How far is the magnification?

(b) What is the magnification?

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A convergent lens has a focal length of 7cm a 2cm tall : a convergent lens has a focal length of 7cm. a 2cm tall image forms 30cm from the lens.a how far is the magnification?b

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