Back

29. Mercury does not wet glass, wood or iron because

(a)  Cohesive force is less than adhesive force

(b)  Cohesive force is greater than adhesive force

(c)   Angle of contact is less than 90o

(d)  Cohesive force is equal to adhesive force

Ans. b

(28)

5/5 - (1 vote)

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 !!