26. Water is flowing through a tube of non-uniform cross-section ratio of the radius at entry and exit end of the pipe is 3 : 2. Then the ratio of velocities at entry and exit of liquid is
(a) 4 : 9 (b) 9 : 4
(c) 8 : 27 (d) 1 : 1
Answer-a
(13)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)