Question

Three tubes X, Y and Z are connected to a horizontal pipe in which ideal liquid is flowing. The radii of the tubes X, Y and Z at the junction are respectively 3 cm, 1 cm and 3 cm. It can be said (a) the height of the liquid in the tube A is maximum. (b) the height of liquid in the tubes Aand B is same. (c) the height liquid in the tubes A,B and C is same. (d) the height of the liquid in the tubes A and C is the same.

Answer 1

Explanation:

The tubes A and C are connected to a tube of same area of cross-section and the liquid flowing there will have same velocity, hence the height of liquid in A and C will be same. Since, tube B is connected to a tube of smaller area of cross-section, therefore the liquid is flowing faster in the tube and pressure there is less according to Bernoulli's theorem.

Answer 2

Explanation:

Your answer is option d

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