Three lenses having power 2,2.5 and 1.7 D are kept touching in a row. What is the total power of the lens combination?
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Answered by
3
Answer:
Given:
P
1
=2D,P
2
=2.5 D,P
3
=1.7 D
Let the total power of the lens combination be P. Thus,
P=P
1
+P
2
+P
3
=2+2.5+1.7=6.2 D
Answered by
3
Answer:
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