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The Online Physics Olympiad (OPhO) is an annual team based physics competition for both high school students and undergraduates of all levels. Teams of up to three will compete in two stages:

New From the feedback we have received, we may run the 2021 competition slightly differently. As a result: the number of questions, the time allotted, and the dates of the competition have not yet been finalized.

New OPhO Problem Writer Applications are out! You can fill it out here. The deadline to apply is Monday December 14th 11:59 GMT.

2020 Results

The 2020 contest has ended! You can view the round rankings for both parts below. Congratulations to everyone who participated!

Open Results Invitational Results

Past Contests

View the 2020 contest below. Feel free to discuss the problems here (open) and here (Invitational).

2020 Open Paper 2020 Invitational Paper
Winners

Meet the winners of OPhO 2020 and see what past contestants have to say!

Winners 2020
Meet the team!

Meet the team who made OPhO possible!

See Team

Sponsors

It is only with the help of our sponsors that we are able to run our event and provide prizes. Last year, hundreds of teams competed with students from over 40 countries!