A criticallydamped system vibrates at the lowest frequency B
     A critically-damped system vibrates at the lowest frequency. (B) An over-damped system vibrates at highest possible frequency. (C) The phenomenon of beating occurs when a machine is operated at its natural frequency. (a) Statements (A) and (C) only are correct. (b) Statements (A) and (B) only are correct. (c) Statement (A) only is correct. (d) Statement (B) only is correct. (e) Statement (C) only is correct. 
  
  Solution
e

