Having a PDF on your phone is great for revising definitions (e.g., "What is magnetic flux?"), but DSE Physics Paper 1A and 1B are about calculation and application. You cannot practice vector addition or circuit analysis by scrolling a PDF.
Don't hoard PDFs. Do past papers.
?** Here is the hard truth: Physics is not a reading subject. dse physics textbook pdf
The Hong Kong Public Library (HKPL) offers e-books. While they may not have the latest edition of every textbook, they do have reference books and past paper solutions available for free loan as PDFs via the HyRead or SUEP apps. Having a PDF on your phone is great
If you are a current Form 4 or Form 5 student in Hong Kong, you have likely searched for it at 2:00 AM the night before a quiz: “DSE Physics textbook PDF.” Do past papers
Many elite schools (e.g., LS, QC, DGS) provide students with access to the digital vault of textbooks. Ask your Physics teacher for the login credentials for the publisher’s website. You might find you already have legal access to the PDF through your school’s subscription.