A. Determine the Location of the image formed by the mirror. B. Determine the ma

Question

A. Determine the Location of the image formed by the mirror.

B. Determine the magnification when the objject is 2.0cm to the left of the vertex of the mirror? Is the image upright or inverted.? is the image real or virtual?

Spherical, concave mirror can provide magnified images and are regularly used for shading or applying makeup. A spherical, concave shaving mirror has radius of curvature of 32.0 cm. The mirror is held approximately 12.0 cm from a person's face and an image is formed behind the mirror as shown in the figure to the right.

Explanation / Answer

1/f = 1/u + 1/v

as f = R/2 = 32/2 = 16 cm

and u = 12cm

so 1/v = 1/f -1/u

v = uf/u-f

v = 16*12/(12-16)

v = -48 cm

i.e image is formed at 48 cm behind the mirror

b.magnificartion m = -v/u = -(- 48)/2 = 24

upright and virtual image

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