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ICSE Class 10 Physics 2020 Solved Paper

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A lens of focal length 20‌cm forms an inverted image at a distance 60‌cm from the lens.
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Question : 40
Total: 67
Calculate the magnification of the image.
Solution:  
‌ Magnification ‌(m)‌=‌
v
u

‌=‌
60‌cm
−30‌cm
=−2
Negative sign shows that the image is inverted.
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