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Turning points flashcards

37 cards drawn from the 10 lessons of turning points: 12 definitions, 14 recall prompts, 1 off-sheet equation and 10 spot-the-error cards. Grade yourself, and each card comes back after a gap set by your answer, from the next day up to three months.

Year 13 · Turning points lessons · all 851 cards

Every card in this unit

Choose any card to try it in the player above. Each card links to the lesson that teaches it.

• Specific charge of the electronDefine
• State Thomson's specific charge resultRecall
• Thermionic emissionDefine
• State how to find the speed of electrons leaving an electron gunRecall
• State what crossed fields add to the electron gunRecall
• Cathode rays and the electron gunSpot the error
• The specific charge of the electronSpot the error
• Explain how Millikan's droplets became chargedRecall
• State the condition for a droplet falling at terminal speedRecall
• Explain why the droplet is timed falling with the field offRecall
• Millikan's oil drop experimentSpot the error
• State the nature of an electromagnetic waveRecall
• State Maxwell's formula for the speed of electromagnetic wavesRecall
• Explain why Young's dark fringes rule out particlesRecall
• State what Hertz's experiments showedRecall
• Corpuscles, waves and Young's fringesSpot the error
• Electromagnetic waves and the speed of lightSpot the error
• The ultraviolet catastropheDefine
• Planck's quantum hypothesisDefine
• State the de Broglie wavelength of an electron accelerated through pd VRecall
• Quanta and the photoelectric effectSpot the error
• Matter waves and electron microscopesSpot the error
• Inertial frame of referenceDefine
• State what the Michelson-Morley experiment set out to detectRecall
• Explain why the interferometer was rotated through 90°Recall
• First postulate of special relativityDefine
• The Michelson-Morley experimentSpot the error
• Proper timeDefine
• Time dilationDefine
• Rest massDefine
• Proper lengthDefine
• Length contractionDefine
• State the evidence for time dilationRecall
• Bertozzi's experimentDefine
• Time dilation and muon decaySpot the error
• Kinetic energy at a relativistic speedEquation
• Length contraction, mass and energySpot the error

The lessons these cards come from

• Cathode rays and the electron gun
• The specific charge of the electron
• Millikan's oil drop experiment
• Corpuscles, waves and Young's fringes
• Electromagnetic waves and the speed of light
• Quanta and the photoelectric effect
• Matter waves and electron microscopes
• The Michelson-Morley experiment
• Time dilation and muon decay
• Length contraction, mass and energy

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