A thin glass (refractive index 1.5) lens has optical power of -5 D in air. Its optical power in a liquid medium with refractive index 1.6 will be |
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a) |
1 D |
b) |
-1 D |
c) |
25 D |
d) |
-25 D |
A thin glass (refractive index 1.5) lens has optical power of -5 D in air. Its optical power in a liquid medium with refractive index 1.6 will be |
|||||||
a) |
1 D |
b) |
-1 D |
c) |
25 D |
d) |
-25 D |