500 prompts matching "Stating precautions in an optics practical"
Worked example: Calculating the efficiency of an energy transfer
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Real-life Nigeria: Solar energy in Nigerian homes
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Exam timing: A timed set of energy and efficiency questions
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Teach me: What a machine is, and what it does
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Let me explain: The lever and its three classes
I have just studied the lever and its three classes in my SS1 Physics class. Let me explai
Worked example: Calculating the mechanical advantage of a lever
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Exam prep: The inclined plane, the screw, and the wheel and axle
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Spot my mistake: Assuming a machine can be one hundred per cent efficient
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Real-life Nigeria: Simple machines on Nigerian farms and in workshops
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Physics at work: Machine design and maintenance as work
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Quiz: The melting point and the boiling point
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Let me explain: Latent heat, and why temperature stays constant during a change of state
I have just studied latent heat, and why temperature stays constant during a change of sta
Practice set: Evaporation, and how it differs from boiling
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Real-life Nigeria: Cooling by evaporation in Nigerian daily life
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Physics at work: Refrigeration and air conditioning as trades
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Let me explain: Linear expansivity and its definition
I have just studied linear expansivity and its definition in my SS1 Physics class. Let me
Spot my mistake: Forgetting to convert units before an expansivity calculation
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Real-life Nigeria: Expansion gaps in Nigerian bridges and railways
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Exam timing: A timed set of expansion problems
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Physics at work: Allowing for expansion in construction work
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