Back

3. An air bubble in a water tank rises from the bottom to the top. Which of the following statements are true

(a)  Bubble rises upwards because pressure at the bottom is less than that at the top.

(b)  Bubble rises upwards because pressure at the bottom is greater than that at the top.

(c)   As the bubble rises, its size increases

(d)  As the bubble rises, its size decreases

Ans. b,c

(5)

4.8/5 - (5 votes)

Related Posts:

Powered by Contextual Related Posts

Tag:

Ajneesh

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 !!