Questions
An object of height h= 5 cm is located at a distance a = 12 cm from a concave mirror with focal length 10 cm. Then height of image:
a
10 cm
b
15 cm
c
20 cm
d
25 cm
detailed solution
Correct option is D
1v+1u=1fv=ufu−f=(−12)(−10)−12−(−10)=−60cmhi5=−vu⇒hi5=−−60−12⇒hi=−25cmTalk to our academic expert!
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The distance of a real object from the focus of a convex mirror of radius of curvature ‘a’ is ‘b’. Then the distance of the image from the focus is
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