3x interviews (20 mins each)
Theory questions, calculus, logic, mechanics.
Mock interview.
Don't be afraid to ask questions about your schedule for the day.
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.
I had 3 interviews throughout one day. The first interview was around 9 am and the last was around 3 pm. Each interview lasted around 20 minutes and there were always two interviewers. They dealt specifically with subject related questions.
There were a number of theory questions, that dealt with calculus, logic and in the Physics interview, mechanics. It ended with an estimation where I was way off the mark. I felt like they went quite well.
Someone I knew prepared a
Beforehand I was a bit confused because it said there would be two interviews but in my timetable there were three. When I asked about this they were very clear and helpful.