An object is placed 20cm from a concave mirror of focal length 10cm. The linear magnification of the image produced is?
a
0
b
\(\frac{1}{2}\)
c
1
d
2
Explanation
Correct Option
cVideo Explanation
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Discussions (2)
MhizDee430
1 year ago
simply use this formula.
M=v/f -1
M=linear magnification
v=object
f=focal length
jedroy
2 months ago
just see that the object is at the same distance as twice focal length which is center of curvature meaning it will be same size as the object thereby magnification will equal 1
