Two thin lenses focal length 10cm and -5cm are kept in contact what is the focal length and power
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hey friend
two thin lenses are concave or convex lenses
can you please explain me about this question more
two thin lenses are concave or convex lenses
can you please explain me about this question more
Answered by
2
Answer:
-10,1/-10
Explanation:
F = f1*f2/f1 + f2
F = 10*-5/10-5 = -50/5=-10
power = 1/F = -1/10
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