job opportunities after doing phd physics

space geek

hello,
i m a foreign national from turkey.
i am planning to opt for M.S and later phd in physics from a U.S.A university.
i wanted to know :-
1) do ya have to pay to do M.S/phd or is there any scholarship/stipend
programme available.(and if any stipend is paid to phd students approximately how much it is)
2) how much time does it take approximately to do both M.S+phd(i have
an undergraduate degree in engineering -computer science)
3) what kind of jobs are available after doing phd-physics-and aproximately how much can one expect to earn after that.

Thanks.

ZapperZ

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http://www.physicspost.com/science-article-210.html