A) \[15D\]
B) \[0.1D\]
C) \[20D\]
D) \[10D\]
Correct Answer: D
Solution :
: Power of a lens, P (in dioptre) \[=\frac{1}{Focal\,lenght\,f(in\,m)}\] \[=\frac{100}{f(in\,cm)}\] \[\therefore \] \[P=\frac{100}{10}=10D\]
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