500 prompts matching "Let me explain: The structure of a fibre: core, cladding and coating"
Practice set: Radiation, and the surfaces that emit and absorb best
Act as my SS1 Physics tutor. Give me five practice questions on radiation, and the surface
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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Worked example: Calculating the pressure at a given depth
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Practice set: The hydraulic press, and the principle Pascal gave it
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Spot my mistake: Confusing the umbra with the penumbra
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Quiz: The principal focus, the focal length and the optical centre
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Worked example: Applying the lens formula to find the image position
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Spot my mistake: Mixing up the sign convention for a diverging lens
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Real-life Nigeria: Lenses in the eye and in spectacles
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Physics at work: Optometry and lens manufacture
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Practice set: Resistance and the factors it depends on
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Real-life Nigeria: Reading a Nigerian electricity meter
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Quiz: Hooke's law and the spring constant
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Worked example: Finding the spring constant from a graph
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Practice set: The elastic limit and the yield point
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Quiz: Clockwise moments and anticlockwise moments
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Practice set: The two conditions for equilibrium
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Real-life Nigeria: Moments in Nigerian wheelbarrows and see-saws
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Physics at work: Moments in crane and bridge design
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