500 prompts matching "The photoelectric effect and what is observed"
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
Quiz: Measuring the density of a solid and of a liquid
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Practice set: The hydraulic press, and the principle Pascal gave it
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Exam prep: Archimedes' principle and the law of flotation stated
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Spot my mistake: Assuming pressure depends on the volume of liquid
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Practice set: The pinhole camera and the image it forms
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Exam prep: Eclipses of the sun and of the moon
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Spot my mistake: Confusing the umbra with the penumbra
Act as my SS1 Physics tutor. Show me a worked solution on confusing the umbra with the pen
Spot my mistake: Drawing the reflected ray on the wrong side of the normal
Act as my SS1 Physics tutor. Show me a worked solution on drawing the reflected ray on the
Exam prep: The critical angle and the condition for total internal reflection
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Spot my mistake: Applying Snell's law with the two media the wrong way round
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Quiz: The principal focus, the focal length and the optical centre
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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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Quiz: Hooke's law and the spring constant
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Practice set: The elastic limit and the yield point
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Spot my mistake: Reading the spring constant from the wrong part of the graph
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Spot my mistake: Leaving out the weight of the beam itself
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Quiz: The two kinds of charge and how they behave towards each other
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Quiz: Boyle's law and the relation between pressure and volume
Act as my SS1 Physics tutor and quiz me on Boyle's law and the relation between pressure a