Physics, 11.07.2019 00:10 princessksh8
Summary we have seen that in quantum optics the em field is represented as a set of independent quantized harmonic oscillators of energy 1 hoa(t)a (t) (1.53) moreover, we express the vector potential and the electric field in terms of plane determined by the creation Ă and annihilation Ă operators waves whose amplitudes are quantized and eral description and quantization of em fields associated with the mode k of the field as - hc] (1.54) hop k 4(+) = e (f, t)+(f, t), (1.55) where h. c. stands for the hermitian conjugate of the first term in the bracket, and (- e 4(+) f, t) hox -en(t) ek. (1.56) 260v (f. i-(0', the constant ha/(2e0v) is called the quantum unit of electric strength
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Physics, 21.06.2019 19:40
Ogle–2013–blg–0723 is an exoplanet that is similar to earth in size and proximity to its star. this exoplanet has mass m=4.18×1024kg and radius r=5.66×106m. an astronaut whose weight on earth is w=735n lands on the planet. a. calculate m, the mass of the astronaut. b. calculate gp? , the acceleration due to gravity on the surface of ogle–2013–blg–0723. c. calculate wp? , the weight of the astronaut on the surface of ogle–2013–blg–0723. d. calculate v, the minimum velocity required to put an object into orbit above ogle–2013–blg–0723. e. calculate t, the time required to complete an orbit around ogle–2013–blg–0723.
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Answers: 2
Summary we have seen that in quantum optics the em field is represented as a set of independent quan...
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