Answer:
(a) In sun fusion takes place according
to the equation
4 hydrogen
atoms combine to produce 26 MeV of energy.
Now 1 g of
hydrogen contains nuclei
1000
g of hydrogen contains
nuclei
Energy
released
(b) Fission
of one nucleus gives energy =
200 MeV.
Now 235 g of
has
no. of atoms
1 kg
(1000 g) of has
atomsatoms
Total
energy released
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