Question

why magnification is taken as negative for real image and taken as positive for virtual image​

Answer 1

Heyy..hope it helps you....

Answer:

Magnification is the ratio between the height of the object and the height of the image.

In the case of a real image, the height of the object carries a positive sign while the height of the image carries a negative one.

Hence the magnification is negative.

In case of a virtual image, the height of the image, as well as the height of the object, carries a positive sign.

Therefore, the magnification is positive in this case.

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Answer 2

Answer:

Explanation:well magnification is the ratio of image height to object heighta

In real image the height or size of image is always small and vice versa in case of virtual

Hence the magnification for real image is negative and that of virtual image is positive