CBSE Class 12-science Answered
Solve the following question:
Asked by nkrbasak | 25 Feb, 2013, 10:56: PM
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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