The amplitude of a damped oscillator becomes half in one minute. The amplitude after 3 minute will be \[\frac{1}{X}\]times the original, where X is [CPMT 1989; DPMT 2002]

• A.            \[2\times 3\]                        
• B.            \[{{2}^{3}}\]
• C.            \[{{3}^{2}}\]                         
• D.            \[3\times {{2}^{2}}\]