1.

The half-life period of radium is 1600 years. The fraction of a sample of radium that would remain after 6400 years is [NCERT 1980; SCRA 1994; JIPMER 1997 CBSE PMT 1994; MNR 1998; MP PMT 2004; DPMT 2004]

A.            \[\frac{1}{4}\]                      
B.            \[\frac{1}{2}\]
C.            \[\frac{1}{8}\]                      
D.            \[\frac{1}{16}\]
Answer» E.


Discussion

No Comment Found

Related MCQs