Question

Variations of Spherical Mirrors Magnification ??????

Answer 1

Magnification is the increase in the image size produced by spherical mirrors with respect to the object size. It is the ratio of the height of the image to the height of the object and is denoted as m. The magnification, m produced by a spherical mirror can be expressed as:

m=hh′

Here, h is the height of image and h’ is the height of the object.

Magnification is also equal to the ratio of image distance to the object distance.

m=vu

As the object is always above the principal axis, the height of the object is always positive. But a sign for image height may vary according to the type of image formed. The height of virtual images should be taken positive while the height of real images should be taken negatively.

Answer 2

Answer:

Here, h is the height of image and h' is the height of the object. Magnification is also equal to the ratio of image distance to the object distance. As the object is always above the principal axis, the height of the object is always positive.

Explanation:

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