Each of these questions contains two Statement : (Assertion) and Statement ll (Reason). Each of these questions also has four alternative choices, only of which is correct answer. You have to select the correct choice in the codes (a),(b),(c) and (d) in the given below
(a) Statement I is true, Statement ll is true: Statement ll is not a correct explanation of Statement
(b) Statement I is true, Statement ll is false
(c) Statement I is false, Statement ll is true
(d) Statement is true, Statement ll is true;
Statement ll is a correct explanation of Statement I
Statement I If the half-life of a radioactive substance is 40 days, then 25% substance decays in 20 days.
Statement II N = N0(1/2)n
where, n = time elapsed/half-life **
