250 prompts matching "Assuming light bends round the fibre rather than reflecting"
Spot my mistake: Background radiation, and allowing for it
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Spot my mistake: Assuming a sample decays completely after two half-lives
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Real-life Nigeria: How starlight tells us what stars are made of
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Exam prep: Cosmic microwave background radiation
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Quiz: Rectilinear propagation and the formation of shadows
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Let me explain: The laws of reflection at a plane mirror
I have just studied the laws of reflection at a plane mirror in my SS2 Physics class. Let
Exam prep: Snell's law and the refractive index
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Teach me: The human eye as an optical instrument
You are my personal SS2 Physics tutor. Teach me the human eye as an optical instrument, us
Quiz: Defects of vision and the lenses that correct them
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Let me explain: The simple microscope and its magnification
I have just studied the simple microscope and its magnification in my SS2 Physics class. L
Practice set: The astronomical telescope
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Exam prep: The camera, and how it compares with the eye
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Spot my mistake: The projector and how it throws an enlarged image
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Real-life Nigeria: Choosing the right optical instrument for a given task
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Teach me: What the electromagnetic spectrum is, and how it is ordered
You are my personal SS2 Physics tutor. Teach me what the electromagnetic spectrum is, and
Quiz: Radio waves and microwaves and their uses
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Practice set: The properties common to all electromagnetic waves
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Exam prep: Calculating frequency and wavelength from the wave speed
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Let me explain: The speed of sound in solids, liquids and gases
I have just studied the speed of sound in solids, liquids and gases in my SS2 Physics clas
Exam prep: The frequency, wavelength and amplitude of a sound wave
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