174 prompts matching "Photon energy of a laser of stated wavelength"
Quiz: Finding speed from the gradient of a distance-time graph
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Worked example: Finding acceleration from the gradient of a velocity-time graph
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Quiz: The types of force — contact forces and field forces
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Worked example: Calculating the resultant of two forces
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Practice set: What energy is, and the forms it takes
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Physics at work: Energy accounting in Nigerian industry
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Worked example: Calculating the power of a machine lifting a load
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Exam prep: Calculating the efficiency of a machine
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Spot my mistake: Confusing power with energy
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Real-life Nigeria: The power ratings of Nigerian household appliances
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Teach me: Kinetic energy, and what it depends on
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Let me explain: Potential energy and the forms it takes
I have just studied potential energy and the forms it takes in my SS1 Physics class. Let m
Worked example: Calculating gravitational potential energy
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Exam prep: Energy transformations in a falling body
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Spot my mistake: Forgetting to square the velocity in a kinetic energy calculation
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Real-life Nigeria: Energy conversion in a Nigerian hydro-electric dam
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Physics at work: Mechanical energy in machines and vehicles
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Practice set: Work, energy and power reviewed
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Spot my mistake: The errors most often made in first-term SS1 Physics
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Practice set: Latent heat of fusion and latent heat of vaporisation
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