250 prompts matching "Let me explain: Why no machine reaches one hundred per cent efficiency"
Practice set: The force between two parallel current-carrying conductors
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Exam prep: The simple d.c. motor and how it turns
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Practice set: The Bohr model and electron energy levels
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Exam prep: The models of the atom compared, from Thomson to Bohr
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Real-life Nigeria: The nucleus as the source of nuclear energy
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Quiz: Telling alpha, beta and gamma radiation apart
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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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Real-life Nigeria: The hazards of radiation and the precautions taken against them
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Quiz: The decay curve, and reading a half-life from it
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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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Physics at work: Nuclear energy, its uses and its dangers
Act as my SS2 Physics tutor. Explain which Nigerian jobs and industries depend on nuclear
Quiz: The earth's atmosphere and the layers within it
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Practice set: The seasons, and what produces them
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Exam prep: The earth's gravitational field and its effects
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Quiz: The planets and the order in which they orbit
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Exam prep: The origin of the solar system and the theories about it
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Quiz: Nuclear fusion in the core of a star
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Practice set: The classification of stars by colour and temperature
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