A simple pendulum with a metal bob has a time period 'T'. Now the bob is immersed in a liquid which is non viscous. Thus time period is '3T'. Then the ratio of densities of metal bob and that of liquid is

A simple pendulum with a metal bob has a time period 'T'. Now the bob

1.	A simple pendulum with a metal bob has a time period 'T'. Now the bob is immersed in a liquid which is non viscous. Thus time period is '3T'. Then the ratio of densities of metal bob and that of liquid is
Answer» `8 : 9` `9 : 8` `1 : 9` `9 : 1` ANSWER :B