501 prompts matching "Adding two vectors by the parallelogram rule"
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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Spot my mistake: Treating laser light as simply very bright light
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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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Let me explain: Checking an equation for dimensional consistency
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Practice set: Dimensional problems across mechanics quantities
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WAEC prep: Using dimensions to spot a wrong formula
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Spot my mistake: A dimensional check that overlooks a dimensionless constant
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Real-life Nigeria: Unit checking before trusting a calculation
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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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Quiz: Newton's third law applied to rocket propulsion
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Worked example: Thrust from a stated exhaust speed and mass flow rate
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Practice set: Momentum problems for a rocket losing mass
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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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