More mirrors. Object O stands on the central axis of a spherical or plane mirror
ID: 1517026 • Letter: M
Question
More mirrors. Object O stands on the central axis of a spherical or plane mirror. For this situation (see the table below, all distances are in centimeters) , find (a) the type of mirror (concave or convex), (b) the focal distancef, (c) the radius of curvature r (nonzero number or 0 if infinity), (d) the image distance i, whether (e) the image is real or virtual, and (f) on the same side of the mirror as object O or on the opposite side.
(a) (b) (c) (d) (e) (f) Type f r p i m R/V I/NI Side +30 -0.63 IExplanation / Answer
object distance = 30
m = -0.63
d.)image distance(i) = 0.63*30 = -18.9
i/di+1/d0 = 1/f
1/18.9 + 1/30 = 1/f
b.)f= -11.59
c.) r= 23.19
a.) concave mirror
e. R
f.)same side
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