This question has statement I and II. Of the four choices given after the Statements , choose the one that best describes the two statements.
(1) Statement- I is true , Statement- II is true , Statement-II is a correct explanation of Statement-I
(2) Statement-I is true , Statement- II is true .Statement- II is not a correct explanation of Statement-I
(3)Statement- I is true ,Statement- II is false.
(4)Statement- I is false ,Statement- II is true.
Statement- I:Efficiency of a Carnot engine increases on reducing the temperature of sink.
Statement- II :`eta=1-T_2/T_1`

Answer

1