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CBSE Class 12-science Answered

Solve the following question:
Asked by nkrbasak | 25 Feb, 2013, 10:56: PM
answered-by-expert Expert Answer
P=4=1/f  in m
f=1/4  m=0.25 m
If the lens is immersed in water completely, then its f will be 4 times....from lens maker's formula putting the value of refractive index of two materials it can be easily found.
 
f in water=1m
P in water will be=+1D
Answered by | 26 Feb, 2013, 12:37: PM
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