1.

A string of length L is fixed at one end and carries a mass M at the other end.  The string makes 2/p revolutions per second around the vertical axis through the fixed end as shown in the figure, then tension in the string is [BHU 2002; DPMT 2004]

A.             ML      
B.             2 ML
C.             4 ML   
D.             16 ML
Answer» E.


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