A local of mass 'M' is attached to the bottom of a spring of mass M"/"3 and spring constant 'K'. If the system is set into oscillation, the time period of oscillation is

A local of mass 'M' is attached to the bottom of a spring of mass M"/"

1.	A local of mass 'M' is attached to the bottom of a spring of mass M"/"3 and spring constant 'K'. If the system is set into oscillation, the time period of oscillation is
Answer» `(2PI)/(3) sqrt((10M)/(K))` `4pi sqrt((M)/(3K))` `4pi sqrt((M)/(K))` `2pi sqrt((M)/(3K))` ANSWER :A