On Page 245 of book <<space time and geometry: an introduction of general relativity>> by Sean M. Carroll, the author gave the definition surface gravity and gave its property. I tried to do the calculation for several times, only to find the result different. So could you please take a look and...
Hey guys, I am an undergraduate student and planning to apply for a Ph.D program in Physics. From the previous posts in this forum, all you cares about are top 20 or even top 10. However, what I could possibly think of are some 50 ranking schools. I have been trying to qualify myself in GPA, in...