A: It describes the evolution in time of any quantum state.
B: It takes the form: [img=84x44]1803bd52bb68940.png[/img].
C: It allows to calculate the time derivative of a wave function from its spatial-coordinate dependence at a fixed time.
D: If [img=15x24]1803bd52c3a0abd.png[/img] does not depend on time, its solution reads as [img=244x49]1803bd52cec3dd5.png[/img] .
举一反三
- Which of the following statements about time-dependent Schrödinger equation is False? A: It describes the evolution in time of any quantum state. B: It allows to calculate the time derivative of a wave function from its spatial-coordinate dependence at a fixed time. C: If [img=15x24]1803bd5c93e1f87.png[/img] does not depend on time, its solution reads as [img=220x61]1803bd5c9df69ff.png[/img] D: [img=80x44]1803bd5ca7409eb.png[/img] is satisfied, only if [img=15x24]1803bd5cafc8d0c.png[/img] does not depend on time.
- The running time of an algorithm can be expressed as the following equation，So the running time(Big-O) is()[img=414x93]1803603dd12ce09.png[/img] A: [img=68x25]1803603ddabc9b8.png[/img] B: [img=46x27]1803603de275c38.png[/img] C: [img=58x28]1803603deb1edc4.png[/img] D: [img=79x25]1803603df323f53.png[/img]
- The Schrödinger equation is （ ） A: a wave equation for Electromagnetic waves. B: a wave equation for photons. C: a differential equation for the time evolution of position. D: the relativistic version of Newton’s second law equation. E: a wave equation for non-relativistic electrons.
- Which of the following statement about Time-independent Schrödinger equation is not true? A: It is satisfied by a wave function that is an eigenfunction of the Hamiltonian of the system. B: Any solution of this equation corresponds to a physically acceptable state of the system. C: An eigenvalue may correspond to several linearly independent eigenfunctions. D: Energy levels represent eigenvalues of this equation.
- The eigenvalue problem for the Schrödinger equation [img=324x61]18034571f1a03d4.png[/img] has solution for all [img=36x20]18034571fa6baec.png[/img].
内容
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Given a discrete time system block diagram[img=495x165]1803a2f9b95475b.png[/img]determine its transpose structure. A: [img=394x194]1803a2f9c75e364.png[/img] B: [img=387x180]1803a2f9d557756.png[/img] C: [img=423x140]1803a2f9e41568d.png[/img] D: [img=402x148]1803a2f9f1ed61a.png[/img]
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The 1930s and 1940s saw Qipao in its peak fashion and modifications. Western attributes influenced the dress. Which picture show Qipao’s feature at that time? A: [img=141x233]1803418abf97057.png[/img] B: [img=147x229]1803418acf3681e.png[/img] C: [img=127x229]1803418ae16f590.png[/img] D: [img=141x227]1803418af111e3b.png[/img]
- 2
Peter is going to talk about a typical workday. Listen and match each activity in the right column with its corresponding time in the left column.[音频][img=1391x908]17e0cf06d39388f.png[/img]
- 3
For the following program fragment the running time(Big-O) is（）[img=804x160]1803603dc50d7b2.png[/img] A: [img=62x25]1803603dcd711cc.png[/img] B: [img=58x28]1803603dd61ade8.png[/img] C: [img=39x25]1803603dded0619.png[/img] D: [img=73x25]1803603de6a38a6.png[/img]
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A mass m is resting on a horizontal frictionless surface attached to a spring of spring force constant k . At time t = 0 , the mass is given a sharp blow, causing it to move the right with speed v . The next time the mass will have this speed is _________________ . A: [img=87x39]1802eac7b3965ae.png[/img] B: [img=91x46]1802eac7bbd36d7.png[/img] C: [img=85x45]1802eac7c49f55d.png[/img] D: [img=109x49]1802eac7d08bb09.png[/img]