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研究所、轉學考(插大)-近代物理學
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110年 - 110台灣聯合大學系統_碩士班招生考試_物理類:近代物理#104513
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題組內容
1. Please provide simple answers for the following questions. No need for explanations.
(c) In quantum mechanics, can position and momentum of a particle be simultaneously determined? Yes or no?
其他申論題
(三).何者是接地線(ground wire)?【5分】
#442590
(四).一般常說的電冰箱、洗衣機要接地,請繪簡易圖說明如何接地。(提示:請繪簡易示 意圖,說明牆上交流電3條線高電位、低電位、接地線)與家電產品插頭三個電極 間的接線圖)。【5分】
#442591
(a) Are photons bosons or fermions?
#442592
(b) The energy of electron orbitals in an unperturbed hydrogen-like atom is determined by the quantum number n or I?
#442593
(d) "The Hamiltonian H acting on the wave function which represents a real physics system lead to, where E is the energy of this system." Is this statement true or false?
#442595
(e) What is the eigenenergy of a simple harmonic oscillator? (5% cach)
#442596
2. Explain the following subjects: (a) cosmic microwave background; (b) superconductors; (c) topological insulators; (d) gravitational wave. (5% each)
#442597
(a) Write down the wave function (x.t). (10%)
#442598
(b) You measure the energy of the particle at 1-=O. Write the possible values of the energy and the probability of measuring each. (10%)
#442599
(c) Calculate the expectation value of the energy in the state Y(xr,r) above. (5%)
#442600
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