487 prompts matching "Reading period and frequency from an a.c. waveform"
Exam prep: Ray diagrams for a concave mirror
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Spot my mistake: Drawing the reflected ray on the wrong side of the normal
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Exam timing: A timed set of reflection questions
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Spot my mistake: Applying Snell's law with the two media the wrong way round
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Exam timing: A timed set of refraction questions
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Exam prep: The image formed at each object position for a converging lens
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Spot my mistake: Mixing up the sign convention for a diverging lens
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Exam timing: A timed set of lens calculations
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Spot my mistake: Treating a non-ohmic conductor as though it obeyed Ohm's law
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Exam timing: A timed set of circuit calculations
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Physics at work: Electrical installation work in Nigeria
Act as my SS1 Physics tutor. Explain which Nigerian jobs and industries depend on electric
Exam prep: The work done in stretching a spring
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Exam timing: A timed set of elasticity calculations
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Physics at work: Materials testing as work
Act as my SS1 Physics tutor. Explain which Nigerian jobs and industries depend on material
Teach me: The moment of a force about a pivot
You are my personal SS1 Physics tutor. Teach me the moment of a force about a pivot, using
Exam prep: Problems with several forces acting on a uniform beam
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Spot my mistake: Leaving out the weight of the beam itself
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Exam timing: A timed set of moments problems
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Teach me: How a body becomes electrically charged
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Spot my mistake: Thinking a lightning conductor attracts lightning to a house
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