A small bob tied at one end of a thin string of length
is describing a vertical circle so that the maximum and minimum tension in the string are in the ratio
. The velocity of the bob at the highest position is
. take (
)
Text Solution
Verified by ExpertsThe correct answer is:
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(5) JEE Main 2021

by conservation of energy, 


from equation
and 





from equation
and 

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