Tardigrade
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Tardigrade
Question
Physics
Two lenses of power- 15 D and +5D are in contact with each other. The focal length of.the combination is
Q. Two lenses of power- 15 D and +5D are in contact with each other. The focal length of.the combination is
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A
+10 cm
19%
B
+20 cm
13%
C
-10 cm
56%
D
-20 cm
12%
Solution:
Correct answer is (c) -10 cm