Object O stands on the central axis of a spherical mirror. For this situation ob

Question

Object O stands on the central axis of a spherical mirror. For this situation object distance is p_s = +16 cm, the type of mirror is concave, and then the distance between the focal point and the mirror is 11 cm (without proper sign). Find the radius of curvature r (including sign), the image distance/', and the lateral magnification m. Also, determine whether the image is real or virtual, inverted from object O or noninverted, and on the same side of the mirror as O or on the opposite side. real inverted same

Explanation / Answer

a) for convex mirror, (focal length is negative)

R =2f = - 2 x 37 = - 74 cm

b) using mirror equation,

1/f = 1/i + 1/o

1/(-37) = 1/i + 1/28

i = - 15.94 cm

c) m = - (i / o ) = - (-15.94 / 28) = 0.57

(no units)

d) image will be virtual ( convex mirror always formed virtual image)

e) m is positive.

so non inverted.

f) i is negative.

so opposite side.

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