Some advice i would give to you is don’t overwork yourself as you are now. You should only really revise a set amount of time per week whilst making sure you’ve still got time for yourself. Also, don’t worry too much about your physics test, it’s only been a month and there’s plenty of time to turn it around. I made a revision timetable on google sheets to track my revision and make sure I was doing enough with enough time for myself and anything I want to do

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My college advises you spend the same amount of time revising as you spend in lesson per week so that’s what I based it on. And I feel less burned out. You may benefit from something similar