The Relation Between the Disintegration Constant $\lambda$ And the Half-Life T of a Radioactive Substance Is:
A)

Multiple Choice

The relation between the disintegration constant $\lambda$ and the half-life T of a radioactive substance is:

A) " $\lambda$ = 2T"
B) " $\lambda$ = 1/T"
C) " $\lambda$ = 2/T"
D) " $\lambda$ T = ln 2"
E) " $\lambda$ T = ln(1/2) "