pc1144_ay0203_sem2 - Answers to PC1144 0203 Paper 1(a)(i)...

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Answers to PC1144 0203 Paper 1(a)(i) Hint: Use inverse Lorentz transformation equation 1(a)(ii) Hint: Use Lorentz transformation equation 1(b) s t 17 1(c) Excess = 19 m 2(a) Total energy is the sum of the kinetic energy and rest mass energy 2(b) c v 901 . 0 2(c) 1 3 10 35 . 9 ms v 3(a) Refer textbook/notes for details. 3(b) Hint: Use KE = electric PE, then make substitution to 2 v in n mvr n 3(c) Simple substitution will do 3(d) Use Balmer series, 3 n 4(a) L A 2 4(b)(i) National University of Singapore Physics Society 2009
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4(b)(ii) 4(c) Refer textbook/notes for details 4(d) The energy for harmonic oscillator is hf n E n 2 1 , when a particle deexcites from one energy level to another, the photon has energy of integral multiple of hf , which is in agreement with the blackbody radiation. 5(a) Binding energy is the difference in energy between the total rest mass energy of the nucleus and the sum of the rest mass of the constituents. 5(b)
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pc1144_ay0203_sem2 - Answers to PC1144 0203 Paper 1(a)(i)...

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