ICSE Class 10 Physics 2020 Solved Paper

A lens of focal length $20 {\cm}$ forms an inverted image at a distance $60 {\cm}$ from the lens.

Question : 40 of 67

Marks: +1, -0

Calculate the magnification of the image.

Solution:

\;\text " Magnification "\;(m)\;=\;{v}/{u}

\;=\;{60 {\cm}}/{-30 {\cm}}=-2

Negative sign shows that the image is inverted.

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