217 prompts matching "Why light changes direction when it passes between media"
Quiz: Radio waves and microwaves and their uses
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Spot my mistake: Reflection of sound and the formation of echoes
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Quiz: Vibration in strings and the factors affecting the frequency
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Spot my mistake: The variation of g over the earth's surface
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Quiz: Magnetic and non-magnetic materials
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Quiz: Magnetic field lines and their properties
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Quiz: Optical instruments and the electromagnetic spectrum reviewed
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Spot my mistake: The errors most often made in first-term SS2 Physics
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Quiz: Charging by friction, by contact and by induction
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Quiz: Conventional current and electron flow
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Spot my mistake: Connecting an ammeter in parallel by mistake
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Spot my mistake: Primary cells and secondary cells compared
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Spot my mistake: The effect of temperature on resistance
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Spot my mistake: Adding resistances wrongly in a series problem
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Spot my mistake: Inverting the reciprocal wrongly in a parallel calculation
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Quiz: Faraday's laws of electromagnetic induction
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Spot my mistake: The d.c. generator and the commutator
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Spot my mistake: The moving-coil galvanometer
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Quiz: Resistance and Ohm's law reviewed
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Spot my mistake: The errors most often made in second-term SS2 Physics
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