91 prompts matching "A refraction problem through a rectangular block"
Worked example: Electrical safety and the cost of energy reviewed
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Spot my mistake: The errors most often made in second-term SS2 Physics
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Real-life Nigeria: Preparing a revision plan for the SS2 second term
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Worked example: Calculating the force on a current-carrying conductor
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Spot my mistake: Confusing Fleming's left-hand rule with the right-hand rule
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Real-life Nigeria: Electric motors in Nigerian homes and industry
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Worked example: Calculating output voltage from the turns ratio
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Spot my mistake: Assuming a transformer can work on direct current
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Real-life Nigeria: Transformers in Nigeria's power transmission network
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Worked example: Writing the nuclide notation for a given atom
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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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Worked example: Writing an equation for alpha decay and for beta decay
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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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Worked example: Calculating the mass remaining after a number of half-lives
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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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Worked example: The rotation and the revolution of the earth
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Spot my mistake: The greenhouse effect and the ozone layer
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