501 prompts matching "Choosing the right optical instrument for a given task"
Let me explain: Constructing ray diagrams for a converging lens
I have just studied constructing ray diagrams for a converging lens in my SS3 Physics clas
Worked example: Image position and magnification for a stated object distance
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Spot my mistake: A ray diagram drawn with rays that do not obey the rules
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Spot my mistake: Combining capacitors with the resistor rules
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Teach me: Current, charge and the drift of electrons
You are my personal SS3 Physics tutor. Teach me current, charge and the drift of electrons
Teach me: Electrical energy, power and their units
You are my personal SS3 Physics tutor. Teach me electrical energy, power and their units,
Quiz: The kilowatt-hour and reading a meter
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Teach me: Electrolysis and the movement of ions
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Quiz: Electrolytes, electrodes and the products at each
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Spot my mistake: A Faraday calculation with the wrong valency
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Quiz: Lenz's law and the direction of induced current
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Worked example: Turns ratio and output voltage of a transformer
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Practice set: Induced e.m.f. problems for moving conductors
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Real-life Nigeria: Step-down transformers on Nigerian distribution poles
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Worked example: Choosing a core material from hysteresis data
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Quiz: Total internal reflection as the basis of the fibre
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Spot my mistake: Assuming light bends round the fibre rather than reflecting
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Teach me: Base quantities and their dimensions
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Quiz: Deriving the dimensions of a compound quantity
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Let me explain: Checking an equation for dimensional consistency
I have just studied checking an equation for dimensional consistency in my SS3 Physics cla