Sure.
of course! and there lovely and sandy and warm
No it is a predominantly Muslim country although normal beachwear is OK in tourist areas
Bondi beach
Yes.
Yes.
Yes
It depends what you mean by that... Many beaches have black sand and many have white... Hope this helps. Sorry if it doesn't. Also, you can have sandy beaches and stone/pebble beaches. Nude beaches and non-nude beaches.
they have nude beaches =)
yes
yes
yes
No. In New Jersey there are no legal Nude Beaches. Although there are some illegal nude beaches but if you get caught you get a large fine and up to 30 days in prison for public Nudity.