Only if you truly LOVE physics.
If you are more concerned with getting a job, then read the following article on USA today first.
So, what jobs are in demand? Here are the occupations with the largest numerical growth.
ZapperZ's So You Want To Be A Physicist
Skills
What Makes an Employable Physicist?
Job hunting techniques:
1. Target new companies instead of big and established companies.
New Business, Not Small Business, Is What Creates Jobs: Nearly all net job creation since 1980 occurred in firms less than five years old.
http://online.wsj.com/article/SB10001424052748704013004574517303668357682.html
Resume:
flood your resume with technical data
Interview skills:
Why Companies Aren't Getting the Employees They Need
Why Bad Jobs-or No Jobs-Happen to Good Workers (slashdot discussion | IEEE spectrum popcast)
Later in life
How to Avoid Becoming a Chronically Unemployed Older Engineer
Beyond physics from university to the work market
PhDs.org Jobs for PhDs, graduate school rankings, and career resources for scientists and engineers
Physics Forums - Career Guidance Discuss topics on science professions and career paths.
CareerOneStop: job outlook Identify what jobs are in demand, have the largest employment, or are experiencing declining employment. [Warning: do not choose a college major or career based solely on the number of possible job openings. Always remember that it is supply and demand.]
College Navigator - National Center for Education Statistics Provide number of graduates by major from each college and other information.