Answers to PC1144 AY0708 Paper Part I 1(i) E = K.E. + rest energy 1(ii)Use E =mc2, p=mu 1(iii)E=pc=hc/ 2(i) Wavefunction & probability density
2(ii)Classically: Spend more time at end of amplitude Qua
Answers to PC1144 0203 Paper 1(a)(i) Hint: Use inverse Lorentz transformation equation 1(a)(ii) Hint: Use Lorentz transformation equation 1(b) t 17 s 1(c) Excess = 19 m 2(a) Total energy is the sum of
Answers to PC1144 0304 Paper Part I 1
t 3.04 years No. In the passengers frame the distance between Earth and X has contracted, while to a stationary observer on Earth (or X), the time in the spaceshi
Answer to PC1144 AY0405 Paper Part I 1(a) Refer textbook 1(b) Photons of 10 different energies can be emitted. 2 Hint: Approach from conservation of momentum and energy 3(a)(b)
3(c) 4(a) 4(b) 5 Part I
Answers to PC1144 AY0607 Paper Part I 1(a) 2(a) 3 4(a)
0.693 s 1(b) 205.6 m 49.38 minutes 2(b) 8.89 1011 m Probability = 0.198, greater than classical as classical probability = 0.10 1 (0) 2 (0) , 2 (
Answer to PC1144 0506 Paper Part I 1 Mistakes: (i) The wavefunction is not sinuisoidal before the potential barrier. (ii) The wavefunction is discontinuous at both sides of potential barrier. One is n