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Purpose of this study is to increase student knowledge of x-rays in order to make it easier for students to work on the questions at the end of the semester exam and this knowledge is used in carrying out physics learning in high school. The study sample was 40 Physics Education students at Center-Surabaya who were taking PEFI4421 Atomic Physics courses. The treatment is given to students in the form of conducting face-to-face tutorials that discuss x-rays by applying blended mode and online. Students are given questions to pretend and each student brings a laptop to be able to see the learning video provided by the lecturer from the University of Jember. At the end of the tutorail activity students are given a posttest. The final semester exam results for students are better than before in the 2018.1 semester, averaging 5.72 and in the 2018.2 semester it increases to 7.21. So the advice given even though the learning system applied by Open University is distance learning, then as one of the learning assistance given to students in the form of face-to-face tutorials with blended mode and online in face-to-face tutorial activities. As one of the innovations in learning physics.