500 prompts matching "The critical angle from stated refractive indices"
Let me explain: Finding the centre of gravity of an irregular lamina
I have just studied finding the centre of gravity of an irregular lamina in my SS1 Physics
Worked example: A balancing problem solved using the centre of gravity
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Exam prep: The conditions that make a body stable
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Spot my mistake: Confusing the centre of gravity with the centre of a shape
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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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Teach me: How light travels, and the evidence that it goes in straight lines
You are my personal SS1 Physics tutor. Teach me how light travels, and the evidence that i
Let me explain: The formation of shadows, the umbra and the penumbra
I have just studied the formation of shadows, the umbra and the penumbra in my SS1 Physics
Worked example: Calculating the size of a shadow cast by a point source
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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
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Let me explain: The characteristics of an image formed in a plane mirror
I have just studied the characteristics of an image formed in a plane mirror in my SS1 Phy
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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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
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Teach me: The shapes and actions of converging and diverging lenses
You are my personal SS1 Physics tutor. Teach me the shapes and actions of converging and d
Worked example: Applying the lens formula to find the image position
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Exam prep: The image formed at each object position for a converging lens
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Spot my mistake: Mixing up the sign convention for a diverging lens
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