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Magnification

does magnific...

Question

does magnification produced by concave mirror have any si unit .can magnification be negative?

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Solution

Dear Student,

Magnification has no S.I. unit because the magnification is a ratio of two same quantity (metre/metre).
Yes, when an image formed is real and inverted, magnification is negative and when an image formed is erect and virtual,
magnification is positive.

Regards

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