iPhone 11 Pro wet

Dunking? Nope. Not without an appropriately water-resistant case.

For a more details on water resistance: Understanding Water Resistance

The Apple warranty doesn’t cover a dunked iPhone.

Some links...

About splash, water, and dust resistance of iPhone 7 and later - Apple Support

About Apple Watch water resistance - Apple Support

About sweat and water resistance of AirPods Pro - Apple Support

Water and other liquid damage to iPhone or iPod isn't covered by warranty - Apple Support

Direct link to drying info: About splash, water, and dust resistance of iPhone 7 and later - Apple Support

No.

Plan on getting an out of warranty replacement. That phone will be damaged beyond repair.

You use Contact Support link at the top right of this page.