Can the School of Physics and Electronics of Henan University change majors?
Of course. Official website of Henan University shows that the School of Physics and Electronics of Henan University has a place to change majors, which can be exempted from the examination. Tuition-free students, whose full name is "recommending excellent fresh graduates to study for master's degree without taking exams", refer to a situation in which they go directly to graduate school without taking postgraduate exams.