K Answers to Numerical Exercises and Odd-Numbered Numerical Problems 1333
2,2,1 8
1
16
1
2,2,2 8
1
4
1
2,2,3 8
9
16
1
2,3,1; 3,2,1 13
1
16
2
2,3,2; 3,2,2 13
1
4
2
3,3; 3,2,3 13
9
16
2
3,3,1 18
1
16
1
3,3,2 18
1
4
1
3,3,3 18
9
16
1
Chapter 15 Problems
15.1
vrms 432 .8ms−^1
λ 2. 307 × 10 −^11 m
15.3
vp2224 m s−^1
λ 1. 78 × 10 −^10 m
15.9
a. E 1 1. 247 × 10 −^19 J
E 2 4. 989 × 10 −^19 J
E 3 1. 1226 × 10 −^18 J
b. ν 9. 41 × 1014 s−^1
λ319 nm
15.13
number of nodes 3. 4 × 1035
λ 5. 4 × 10 −^35 m
15.15
a. E 111 1. 81 × 10 −^19 J
E 211 3. 62 × 10 −^19 J
b. g 111 1,g 211 3
c.ν 2. 73 × 1014 s−^1
λ 1. 10 × 10 −^6 m
15.17
λ 1. 34 × 10 −^7 m
15.19
b. ψ 2 (xt) 0. 39238 a^1 /^4
c. ψ 2 (xt)^2 3. 2347 × 1010 m−^1 3 .2347 Å
− 1
15.23
b. Relative maxima atx0 andx±
√
5
2 a
Relative minima atx±
√
1
2 a
c.Relative maxima atx0 andx/xt±
√
1 / 2
Relative minima atx/xt
√
1 / 10
d.Atx±
√
5
2 a
,ψ 22 0. 37049
√
a
Atx0,ψ 22 0. 28209
√
a
15.25
b.
v 1 ,v 2 values E/hνdegeneracy
0,0 1 1
1,0; 0,1 2 2
1,1; 0,2; 2,0 3 3
1,2; 2,1; 0,3; 3,0 4 4
2,2; 1,3; 3,1; 0,4; 4,0 5 5
2,3; 3,2; 4,1; 1,4; 0,5; 5,0 6 6
3,3; 2,4; 4,2; 5,1; 1,5; 0,6; 6,0 7 7
3,4; 4,3; 2,5; 5,2; 1,6; 6,1; 0,7; 7,0 8 8
4,4; 3,5; 5,3; 2,6; 6,2; 1,7; 7,1; 0,8; 8,0 9 9
4,5; 5,4; 3,6; 6,3; 2,7; 7,2; 1,8; 8,1; 0,9; 9,0 10 10
5,5; 4,6; 6,4; 3,7; 7,3; 2,8; 8,2; 1,9; 9,1; 0,10; 10,0 11 11
15.27
a. μ 1. 653 × 10 −^27 kg
μ/mH 0. 9877
b. k 411 .8Nm−^1
15.31
λ 1. 6629 × 10 −^9 m
15.33
a. FALSE
b. FALSE
c.TRUE
d. TRUE
e.TRUE
f. FALSE
g. FALSE