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Asked by eknathmote50 | 08 May, 2019, 10:30: AM
Expert Answer
The magnification of mirror is 2.
Thus,
m = -(v/u) = - 2 ...( negative sign because image formed is inverted)
Thus,
v = 2u
The distance between the object and image is 12 cm.
Thus,
u - v = 12 cm
Subtstituting,
u - 2u = 12 cm
Thus, u = -12 cm
and v = -24 cm
Now using the mirror formula,
Thus, focal length of mirror is 8 cm.
Answered by Shiwani Sawant | 08 May, 2019, 12:50: PM
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