Back

18. A mercury drop of 1 cm radius is broken into

106 small drops. The energy used will be (surface tension of mercury is 35 x10-3N/cm

(a) 4.4 x 10-3 j

(b) 2.2 x 10-4 j

(c) 8.8 x 10-4 j

(d) 104 j

Ans. a

(13)

4.9/5 - (7 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 !!