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Answers to PC1144 AY0708 Paper
Part I
1(i)
E
= K.E. + rest energy
1(ii)
Use
E =
γ
mc
2
, p=
γ
mu
1(iii)
E=pc=hc/
λ
2(i)
Wavefunction & probability density
2(ii)
Classically: Spend more time at end of amplitude
Quantum: Zero probability at certain region, and nonzero probability at region x>A
3
0:05MeV
4(i)
Energy required to break up the nucleus into its constituent parts
4(ii)
92.2 Mev
5
493.7MeV/c
2
Part II
6(a)
(b)
0.118c
(c)
Speed of light c, Einstein postulate 2
7(a)(i)
(ii)
substitution to (i)
7(b)
275 nm
7(c)
Wavefunction & probability density
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This note was uploaded on 01/14/2011 for the course PHYS 1144 taught by Professor Li during the Spring '10 term at National University of Singapore.
 Spring '10
 LI
 Energy

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