given that
focal length f = 40 cm
from the relation
from near end
1/s'ne = 1/f-1/s ne
1/s' ne = 1/40-1/59
s' ne = 124.2 cm
from the far end
1/s' fe = 1/f-1/s fe = 1/40-1/159
s' fe = 53.445 cm
the image of the meter stick appears = 124.2-53.445 = 70.755 cm
CHWK5-CH.18 Problem 18.81 Revis (Figure 1) shows a meter stick held lengthwise along the optical axis...
(Figure 1) shows a meter stick held lengthwise along the optical axis of a concave mirror with the focal length f = 40 cm . Part A: How long is the image of the meter stick? Assume that L = 75 cm .
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