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 the 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 is

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 the 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