1)

A liquid is allowed to flow into a tube of truncated cone shape. Identify the correct statement from the following.


A) The speed is high at the wider end and low at the narrow end

B) The speed is low at the wider end and high at the narrow end.

C) The speed is same at both ends in a stream line flow.

D) The liquid flows with uniform velocity in the tube

Answer:

Option B

Explanation:

The theorem of continuity is valid.

.'. A1v1ρ = A2v2ρ 

As the density of the liquid can be taken as uniform.

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.'. A1v= A2v2

Smaller the area, greater the velocity