An object is kept at a distance of 5m in front of a spherical mirror, which forms its erect image at a distance of 2m from the mirror. What is the magnification? Is the mirror concave or convex?
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1
Answer:
u=-5m
v=2m
1/v+1/u=1/f
1/2-1/5=1/f
3/10=1/f
f=+3.33cm
m=-(v/u)
m=-2/-5
m=+0.4
Hence, it is a convex mirror as magnification is positive
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Answer:
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