If the marriage is legally recognised in Australia and she has Australian citizenship then yes you will get Australian citizenship.
Your friend don't need a citizenship if he is just on a vacation.
Yes
Yes, serving on a jury is a responsibility of Australian citizenship. In addition, this question appears on the Australian citizenship test.
i think only if you get an Australian citizenship.
A migrant becomes an Australian when he/she is approved of or given Australian Citizenship. For this, you fist need to check if you are eligible and then apply for the citizenship.
An Australian citizen is either someone who was born in Australia and lives here, or someone who has become a naturalised Australian, choosing to become an Australian citizen through a series of programmes and trainings. Australian citizens have the right to vote in federal, state and local elections. If an Australian citizen leaves the country and takes up citizenship in another country, he/she may choose to revoke his Australian citizenship. However, many may choose to retain their Australian citizenship as well as taking on citizenship in another country. Also, an Australian citizen can live and work in another country without taking up citizenship, and thereby remaining an Australian citizen whether or not he/she lives in his/her country of birth.
Yes you do qualify for dual citizenship.
Only people who were British subjects on the Commonwealth electoral roll at 25 January 1984 are allowed to vote without Australian citizenship.
yes
As my wife is an Australian citizen , am I eligble?
Unless you were born in Australia, you would not be able to automatically obtain citizenship. However, anyone can take the citizenship test to try to obtain citizenship. If your parents were born in Australia but you were born overseas you cna be granted Australian citizenship.