Physics, 21.08.2019 00:30 bankscorneliuso39
Gallium arsenide (gaas) and gallium phosphide (gap) are compound semiconductors that have room-temperature band gap energies of 1.42 and 2.26 ev, respectively, and form solid solutions in all proportions. the band gap of the alloy increases approximately linearly with gap additions (in mol%). alloys of these two materials are used for light-emitting diodes (leds), in which light is generated by conduction band-to-valence band electron transitions. determine the composition of a gaas–gap alloy that will emit red light having a wavelength of 0.68 μm.
Answers: 2
Physics, 22.06.2019 14:40
The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg · s2). use g = 9.80 m/s2 and calculate the mass m of the ball.
Answers: 1
Physics, 22.06.2019 16:30
Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?
Answers: 3
Gallium arsenide (gaas) and gallium phosphide (gap) are compound semiconductors that have room-tempe...
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