Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
State which of the following expressions correctly represents the mass defect
Δ
M
\Delta M
Δ
M
of a nucleus having
Z
Z
Z
protons and
A
−
Z
A-Z
A
−
Z
neutrons. a)
Δ
M
=
M
−
[
Z
m
p
+
(
A
−
Z
)
m
n
]
\Delta M=M-\big[Z\,m_p+(A-Z)\,m_n\big]
Δ
M
=
M
−
[
Z
m
p
+
(
A
−
Z
)
m
n
]
b)
Δ
M
=
[
Z
m
p
+
(
A
−
Z
)
m
n
]
−
M
\Delta M=[Z\,m_p+(A-Z)\,m_n]-M
Δ
M
=
[
Z
m
p
+
(
A
−
Z
)
m
n
]
−
M
c)
Δ
M
=
[
Z
m
p
+
A
m
n
]
−
M
\Delta M=[Z\,m_p+A\,m_n]-M
Δ
M
=
[
Z
m
p
+
A
m
n
]
−
M
d)
Δ
M
=
A
(
m
p
+
m
n
)
−
M
\Delta M=A\,(m_p+m_n)-M
Δ
M
=
A
(
m
p
+
m
n
)
−
M
Browse the problem library