ERRATA
MODERN PHYSICS, 3e
Page 30 — caption to Fig. 1-22, line 13
Line 13 should read: ct’ and x’ axes of S’ have
Page 40 — in Example 1-12
The first of the un-numbered equations should read
A = [cos2 30o + sin2 30o
/ 
2]1/2
A’ = 0.968A’
In the second un-numbered equation (that begins B = ) the term
cos2 30o /
should read cos2 30o /
2
in the third un-numbered equation (that begins 
= ) the second term
in [ ] should be sin 30o
/ cos 30o
Page 42 — line 7 of the ‘TIMELIKE INTERVAL’ paragraph
The = (21.0)2 should be = (21.0c)2
Page 49 — line 3
-0.798 should be 0.798
Page 55 — denominator of Equation 1-41
d
t’ should be c
t’
Page 147 — caption of Fig. 3-19, line 3
20o should be 30o
Page 154 — problem 3-26, line 3
protons should be photons
Page 173 — line 1
kZe2/r should be kZe2/r2
Page 177 — 2 lines above Equation 4-27
reduced mass should be helium mass
Page 189 — Equation 4-20 in the Summary
Z should be Z2
Page 201 — Example 5-2, item 3.
in the numerator of the equation 10-24 should be 10-34
Page 270 — Equation 6-63
(x>0) should be (x<0)
Page 274 — Table 6-2; the second and third columns should read as follows:
2 x |
 2 |
|
| 0 | 0.40 | |
| 0.137 | 0.349 | |
| 1.374 | 0.101 | |
| 2.748 | 0.026 | |
| 6.869 | 0.001 | |
| 13.74 | approx. 0 |
Page 282 — Note 16, line 2
238U should be 212Pb
Page 291 — in the energy level diagram at the top of the page
E211=E122=E112=6E1 should be E211=E121=E112=6E1
Page 294 - Equation 7-13
l(l + 1)sin2q should be - l(l + 1)sin2q
Page 339 — 3 lines above Equation 8-22
velocities should be speeds
Page 390 — Example 9-2
6 lines from the bottom of the page, = 38.7 eV should be = 38.7 eV/nm
and in last two lines on the page, 9 x should be 5.4 x in each place
Page 431 — Problem 9-5
in the first line, 0.279 nm should be 0.267 nm
and in the fourth line, 3.82 eV should be 3.62 eV
Page 490 — line 3, in the numerator of the un-numbered equation for 
,
J/s should be 
Page 511 — Caption of Figure 11-8, line 2,
The shaded area represents... should read: The area between the irregular colored
lines...
Page 557 — line just above section 12-1 should read
how it is measured is discussed in the section Interaction of Particles and Matter
on the home page.
Page 561 — Example 12-1, last line,
..the eight electrons.. should read ..the four electrons..
Page 586 — in Example 12-2, line 6 from the top of this page should read:
= 0.000451u x 931.5 MeV/c2 = 0.42 MeV/c2
and in both line 8 from the top of the page and in the un-numbered equation
in the middle of the page, 1.44 MeV should be 0.42 MeV
Page 597 — Example 12-14, in the last term of the t = equation,
1.74 x 108 y should be 1.74 x 109
Page 602 — Problem 12-27, line 3,
Page AN-1 — answer to 1-10, part (c), the denominator should read c2-v2
and in the answer to 1-28, 0.520m should be 0.721m
Page AN-3 — in the answer to 6-7, the term 2x2 should be 2(x/L)2
Page AN-5 — the answer to 12-16 should be 1.90 x 109 y