238 prompts matching "Past-question electricity problems"
Exam prep: The models of the atom compared, from Thomson to Bohr
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Spot my mistake: Confusing atomic number with mass number
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Real-life Nigeria: The nucleus as the source of nuclear energy
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Teach me: What radioactivity is, and why some nuclei are unstable
You are my personal SS2 Physics tutor. Teach me what radioactivity is, and why some nuclei
Quiz: Telling alpha, beta and gamma radiation apart
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Let me explain: The penetrating and ionising power of each radiation
I have just studied the penetrating and ionising power of each radiation in my SS2 Physics
Worked example: Writing an equation for alpha decay and for beta decay
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Practice set: The Geiger-Muller tube and how it detects radiation
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Exam prep: The cloud chamber and the photographic plate as detectors
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Spot my mistake: Background radiation, and allowing for it
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Real-life Nigeria: The hazards of radiation and the precautions taken against them
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Teach me: What half-life means
You are my personal SS2 Physics tutor. Teach me what half-life means, using a real Nigeria
Quiz: The decay curve, and reading a half-life from it
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Let me explain: The random nature of radioactive decay
I have just studied the random nature of radioactive decay in my SS2 Physics class. Let me
Worked example: Calculating the mass remaining after a number of half-lives
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Practice set: The decay constant and the activity of a source
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Exam prep: Carbon dating and how it works
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Spot my mistake: Assuming a sample decays completely after two half-lives
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Real-life Nigeria: Radioisotopes in Nigerian medicine and agriculture
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Teach me: The structure of the earth and its layers
You are my personal SS2 Physics tutor. Teach me the structure of the earth and its layers,