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Post your Q here
From the Cranbrook trial: 21. (b) Evidence shows that the overal global concentrations of NO2 in the atmosphere has not increased significantly over the last century. Discuss the human activities that generate localised increases in NO2 concentratons and the chemical processes which... -
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superconductors, generation, transmission and transport Q
Errr, wouldn't a maglev train with super conducting tracks and magnets in the base be able to levitate without electricity because the superconductor itself sets up a perfectly opposing magnetic field? -
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photoelectron
Classical theory predicted that max. velocity would vary with intensity (electric field strength), Einstien predicted that it would vary with wavelength, Einstein was was right. -