The velocity of a body revolving in a vertical circle of radius r at the lowest point sqrt(7gr). The ratio of maximum tensions in the string is

The velocity of a body revolving in a vertical circle of radius r at t

1.	The velocity of a body revolving in a vertical circle of radius r at the lowest point sqrt(7gr). The ratio of maximum tensions in the string is
Answer» `8 : 1` `4 : 1` `sqrt(7) : 1` `1 : sqrt(7)` Answer :B