The optical powers of the objective and the ocular of a microscope are equal to 100 and \( 20 \m...

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The optical powers of the objective and the ocular of a microscope are equal to 100 and \( 20 \mathrm{D} \) respectively. The microscope magnification is equal to 50 . What will the magnification of the microscope be when the distance between the objective and the ocular is increased by \( 2.0 \mathrm{~cm} ? \)
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