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VITEEE 2014 Solved Paper
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© examsnet.com
Question : 2
Total: 120
If the nuclear fission,piece of uranium of mass 5.0 g is lost, the energy obtained in kWh is
1.25 x
10
7
2.25 x
10
7
3.25 x
10
7
0.25 x
10
7
Validate
Solution:
As we know, energy E = Δ
m
c
2
= 0.5 ×
10
−
3
×
(
3
×
10
8
)
2
= 4.5 ×
10
13
J
=
4.5
×
10
13
3.6
×
10
6
= 1.25 ×
10
7
kWh
© examsnet.com
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