Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) The work done requires to increase the area of soap film of 10cm `xx` 6cm to 10cm `xx` 11cm is `3.0xx10^(-4)` J. The surface tension of film is - Sarthaks eConnect

The work done requires to increase the area of soap film of 10cm `xx` 6cm to 10cm `xx` 11cm is `3.0xx10^(-4)` J. The surface tension of film is:

`5xx10^(-2)` N/m

`1.5xx10^(-2)` N/m

`3xx10^(-2)` N/m

`1.2xx10^(-2)` N/m