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ICSE Class 9 Answered

An object is front of convex mirror at distance of 0.24m with focal length of 0.15m find the value of image formed
Asked by dhruvikapinni | 05 Apr, 2019, 01:55: PM
Expert Answer
u = - 0.24 m
f = + 0.15 m ( focal length of convex mirror)
 
v  = ? 
 
1 over f equals 1 over v plus 1 over u
fraction numerator 1 over denominator 0.15 end fraction equals fraction numerator 1 over denominator negative 0.24 end fraction plus 1 over v
fraction numerator begin display style 1 end style over denominator begin display style v end style end fraction equals space fraction numerator begin display style 1 end style over denominator begin display style 0.15 end style end fraction space plus space fraction numerator 1 over denominator 0.24 end fraction
rightwards double arrow space v space equals space 0.092 space m space
 
Thus, the image is formed at 0.092 m behind the convex mirror. 
Answered by Shiwani Sawant | 05 Apr, 2019, 04:01: PM

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