501 prompts matching "Exam prep: Total internal reflection and the critical angle explained"
Exam timing: A timed conduction problem set
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Practice set: Problems on signal loss and fibre geometry
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Spot my mistake: Assuming light bends round the fibre rather than reflecting
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Exam timing: A timed fibre optics problem set
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Quiz: Stimulated emission and population inversion
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Let me explain: Coherence, monochromaticity and collimation
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Worked example: Photon energy of a laser of stated wavelength
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Practice set: Problems on laser output and photon count
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Real-life Nigeria: Lasers in surgery, printing and barcode scanning
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Exam timing: A timed laser problem set
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Physics at work: Laser and photonics work
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Quiz: Deriving the dimensions of a compound quantity
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Exam timing: A timed dimensional analysis set
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Physics at work: Engineering calculation and quality control
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Spot my mistake: The claim that a rocket pushes against the air
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Real-life Nigeria: Nigeria's satellite launches and space agency work
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Exam timing: A timed rocket motion problem set
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Spot my mistake: The subject combinations an engineering course in Nigeria requires
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Let me explain: The force on a moving charge in a magnetic field
I have just studied the force on a moving charge in a magnetic field in my SS3 Physics cla
Real-life Nigeria: The electric motor as an application of the motor effect
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