A converging lens has a focal length of 5cm Det... - WAEC Physics 2003 Question
A converging lens has a focal length of 5cm. Determine its power
A
+20.0
B
+0.2
C
-20.00
D
-0.2
correct option: a
p = \(\frac{100}{f} = \frac{100}{+5} = +20\)
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