Calculate the distance of an object of height h from a concave mirror of focal length 10 cm so as to obtain a real image of magnification 2.
Asked by | 9th Oct, 2012, 07:38: AM
Expert Answer:
objet distance=u=-h
f=-10 cm
m=-2=-v/u
v=-2h
putting in the mirror formula:
1/v+1/u=1/f
1/-2h+1/-h=1/-10
h=15cm
Answered by | 9th Oct, 2012, 10:56: AM
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