501 prompts matching "Applying the lens formula to find the image position"
Let me explain: The right-hand grip rule and what it predicts
I have just studied the right-hand grip rule and what it predicts in my SS3 Physics class.
Worked example: Calculating the flux density at a point near a long straight wire
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Real-life Nigeria: The magnetic field in an electric bell and a relay
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Quiz: Fleming's left-hand rule and the direction of force
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Let me explain: The force on a moving charge in a magnetic field
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Spot my mistake: A solution using the wrong hand rule for an induced current
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Quiz: Peak value, root-mean-square value and their relationship
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Let me explain: Why a.c. is described by an r.m.s. rather than an average value
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Practice set: A purely resistive a.c. circuit and the phase between V and I
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Let me explain: Phase relationships in an inductor and in a capacitor
I have just studied phase relationships in an inductor and in a capacitor in my SS3 Physic
Spot my mistake: Adding resistance and reactance arithmetically instead of vectorially
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Practice set: Energy level diagrams and the transitions on them
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Spot my mistake: A solution that uses the wrong sign for a transition energy
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Real-life Nigeria: The sodium street lamp and the light it emits
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Let me explain: Why increasing intensity does not increase photoelectron energy
I have just studied why increasing intensity does not increase photoelectron energy in my
Worked example: Einstein's photoelectric equation applied to given data
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Real-life Nigeria: Photocells in automatic doors and light meters
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Teach me: The wave-particle duality of light
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Quiz: De Broglie's hypothesis and the matter wave
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Worked example: The de Broglie wavelength of an electron at a stated speed
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