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Motion of electrons in electric and magnetic fields

Examination questions are designed to test your understanding and application of physics. The questions are not there to trick you. One sure way to maximise your marks in a paper is to scrutinise the information given by the examiners. The information is never extraneous; it provides all the clues essential for answering the question

Students often learn definitions and equations by rote. Questions that involve analysis and understanding require more than identifying the correct equations and then substituting values into them. There are judgements that you need to make at every stage. Is the final answer reasonable? If not, can you quickly identify where you have made a mistake?

Students often falter in questions that require explanation and reasoning. For these, you have to know your basic physics, decipher the information presented in the question and then formulate a response that uses scientific vocabulary without any contradictions.

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Thorium

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Nuclear transport

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