Find your added subjects in My Bitesize. Try this quiz based on GCSE Physics past papers. Choose the topic you would like to revise and answer the questions. GCSE Physics: exam-style questions Use ...

Here you can find past papers for OCR Gateway GCSE Physics. Use the links below to ... by the number of both protons and neutrons lost (4 total), giving a reduction from 219 to 215, whereas ...