Half-life period of a first-order reaction is 1386 seconds. The specific rate constant of the reaction is :

Question

( A ) $5.0\times10^{-2}s^{-1}$
( B ) $0.5\times10^{-2}s^{-1}$
( C ) $0.5\times10^{-3}s^{-1}$
( D ) $5.0\times10^{-3}s^{-1}$