Physics, asked by rowley777, 10 months ago

respectievely what is nature of a and b​

Answers

Answered by rahman786khalilu
0

Answer:

if a=20,b=-10

and if these are lens the a is convex lens because focal lenght is positive for convex lens and b is concave lens because focal lenght of concave lens is negative

hope it helps

rowley777: they are lens
rowley777: of focal length 20 and -10
rahman786khalilu: hey
rahman786khalilu: I answered it
Answered by arsh9757
0

Answer:

what is a and b.........

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