Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) A glass prism of refractive index 1.5 is Immersed in water (refractive index `4/3`). A lights beam incident normally on the face AB totally reflected to reach the face BC if - Sarthaks eConnect

A glass prism of refractive index 1.5 is Immersed in water (refractive index `4/3`). A lights beam incident normally on the face AB totally reflected to reach the face BC if

`sin theta >8/9`

`2/3 sin theta <8/9`

`sin theta <2/3`

None of these