Remember this advice isn't official. There is no guarantee it will reflect your experience because university applications can change between years. Check the official Cambridge and Oxford websites for more accurate information on this year's application format and the required tests.
Also, someone else's experience may not reflect your own. Most interviews are more like conversations than tests and like, any conversation, they are quite interactive.
Number of interviews: 3
Skype interview: No
Time between each interview: 1 day
Length of interviews: 30-40 minutes each
We had a maths and a physics interview at Pembroke (although both interviews contained elements of both) which were 1 student with 2
Do the past papers and see if you can get your
Learn the reasons why things happen, as well as the formulae behind them! It's all well and good being able to apply every single formula given to you, but that's not how uni physics works, you need to be able to actually understand what's going on.
If you can somehow demonstrate that you have an *understanding* of physics, the interviewers become a lot more accommodating.