Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) If a section of a soap bubble of radius r by a plane through its centre is considered, the force on the half due to surface tension is - Sarthaks eConnect

If a section of a soap bubble of radius r by a plane through its centre is considered, the force on the half due to surface tension is:

`2pi rT`

`4pi rT`

`pi r T`

`2 rT`