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Question
Physics
When 92 U 235 undergoes fission 0.1 % of its original mass is changed into energy. How much energy is released if 1 kg of 92 U 235 undergoes fission
Q. When
92
U
235
undergoes fission
0.1%
of its original mass is changed into energy. How much energy is released if
1
k
g
of
92
U
235
undergoes fission
4306
212
BITSAT
BITSAT 2017
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A
9
×
1
0
10
J
14%
B
9
×
1
0
11
J
19%
C
9
×
1
0
12
J
22%
D
9
×
1
0
13
J
46%
Solution:
⇒
100
0.1
×
1
k
g
=
1000
1
k
g
=
1
0
−
3
k
g
Using the equation
E
=
m
c
2
=
1
0
−
3
×
(
3
×
1
0
8
)
2
=
1
0
−
3
×
9
×
1
0
16
E
=
9
×
1
0
13
J