Question

When an air bubble rises from the bottom of a lake to the surface its radius doubles. If 10 m of water column procedures pressure equal to 1 atm, depth of tube is .............. m. (Take g = 10 m/s²)
(A) 10
(B) 20
(C) 70
(D) 80

Answer 1

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The answer of u r question is..✌️✌️

Option.b

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Answer 2

When an air bubble rises from the bottom of a lake to the surface its radius doubles. If 10 m of water column procedures pressure equal to 1 atm, depth of tube is .............. m. (Take g = 10 m/s²)

(A) 10

(B) 20✔✔

(C) 70

(D) 80