Back

28. A liquid flows in a tube from left to right as shown in figure.

 A1 and A2   are the cross-sections of the portions of the tube as shown. Then the ratio of speeds v1 / v2 will be

(a) A1 / A2                  (b) A2/ A1

(c) √A2 / √A1         (d) √A1 / √A2

Answer-b

(9)

Rate this post

Related Posts:

Powered by Contextual Related Posts

Shilpa

You may also like

12. An ideal gas is taken through the cycle A→ B → C → A, as shown in the figure. If the net heat supplied to the gas in the cycle is 5 J, the work done by the gas in the process C → A is
05/09/2022

(a)      – 5 J (b)  – 10 J (c)   – 15 J (d)  – 20 J Answer-a (118)

11. The P-V diagram of a system undergoing thermodynamic transformation is shown in figure. The work done on the system in going from A → B → C is 50 J and 20 cal heat is given to the system. The change in internal energy between A and C is
05/09/2022

(a)      34 J (b)  70 J (c)   84 J (d)  134 J Answer-d (202)

error: Content is protected !!
Call Now Button