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haha1234
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Homework Statement
(a)Can a converging lens be made to diverging if it is placed into a liquid?
(b)What if?What about a converging mirror?
Homework Equations
Homework Equations
The Attempt at a Solution
The Attempt at a Solution
(a)Let the focal length of the converging lens be f1,and the focal length of the lens be -f2.From the formula
Is it correct?
In (b),can we use the formula again?
THANKS!