Statement-I: Internal energy of a system is an extensive property.
Statement-II: Internal energy depends on the amount of the substances present in the system.
(a) Statement-I and II are correct and Statement-II is the correct explanation of Statement-I.
(b) Statement-I and II arc correct hut Statement-II is not the correct explanation of Statement-I.
(c) Statement-I is correct but Statement-II is wrong.
(d) Statement-I is wrong but Statement-II is correct.
