An object is placed 24 cm from a concave mirror. It's image is inverted and double the size of the object. Find the focal length of the mirror and the position where the image is formed
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146
Given
m = -2 (concave mirror)
u = -24 cm
m = -v/u
-2 = -v/-24
v = - 48 cm
1/f = 1/v + 1/u
1/f = 1/-48 + 1/-24
1/f = -3/48
1/f = -1/16
f = -16 cm
m = -2 (concave mirror)
u = -24 cm
m = -v/u
-2 = -v/-24
v = - 48 cm
1/f = 1/v + 1/u
1/f = 1/-48 + 1/-24
1/f = -3/48
1/f = -1/16
f = -16 cm
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