186 prompts matching "Lens problems across object positions"
Worked example: Calculating the increase in length of a heated rod
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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
Act as my SS1 Physics tutor. Show me where expansion gaps in Nigerian bridges and railways
Worked example: Explaining the heating of a room by convection
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Spot my mistake: Claiming that radiation needs a medium
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Real-life Nigeria: Keeping a Nigerian home cool without air conditioning
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Spot my mistake: Confusing the centre of gravity with the centre of a shape
Act as my SS1 Physics tutor. Show me a worked solution on confusing the centre of gravity
Real-life Nigeria: Stability in Nigerian lorries and market stalls
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Worked example: Calculating the pressure at a given depth
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Spot my mistake: Assuming pressure depends on the volume of liquid
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Real-life Nigeria: Hydraulic brakes and jacks in Nigerian vehicles
Act as my SS1 Physics tutor. Show me where hydraulic brakes and jacks in Nigerian vehicles
Worked example: Calculating the size of a shadow cast by a point source
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Spot my mistake: Confusing the umbra with the penumbra
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Real-life Nigeria: Shadows and sunlight in Nigerian building design
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Worked example: Finding the number of images formed by two inclined mirrors
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Spot my mistake: Drawing the reflected ray on the wrong side of the normal
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Real-life Nigeria: Concave and convex mirrors in Nigerian use
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Worked example: Finding refractive index from a pair of measured angles
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Spot my mistake: Applying Snell's law with the two media the wrong way round
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Real-life Nigeria: Optical fibres and the periscope
Act as my SS1 Physics tutor. Show me where optical fibres and the periscope turns up in Ni