Shyshy9779 Shyshy9779

18-01-2024
Mathematics

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A bird is singing on a tree. a person approaches the tree and perceives that the intensity has increased by 10 dB. find the ratio of initial and final separation between the man and the bird.
(a) 1:2
(b) 1:3
(c) 1:4
(d) 1:5

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