Physics, 03.07.2019 01:30 hemaam8

Draw a labelled plot of the spectral characteristics of blackbody radiation for three different blackbody temperatures (three plots). comment on three key features of these plots. explain why the spectrum of sunlight shows some differences with a corresponding blackbody spectrum. b) (8 marks) describe the construction, principle of operation and applications of a light emitting diode (led). c) (6 marks) draw the i-v characteristics of a light emitting diode. mark on your graph the region where light emission is strongest. discuss the similarities and differences between light emitting diodes and laser diodes.

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Draw a labelled plot of the spectral characteristics of blackbody radiation for three different blac...