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Physics
Physics
Problem
For two fixed point charges, the magnitude of electrostatic force
F
F
F
varies with their separation
r
r
r
. When
log
F
\log F
lo
g
F
is plotted against
log
r
\log r
lo
g
r
, the graph is a straight line. What is the expected slope of this line? a)
+
1
+1
+
1
b)
−
1
-1
−
1
c)
−
2
-2
−
2
d)
+
2
+2
+
2
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