If a star can convert all the He nuclei completely into oxygen nuclei, the energy released per oxygen nucleus is [Mass of He nucleus is 4.0026 amu and mass of Oxygen nucleus is 15.9994 amu] [2005]

Question

If a star can convert all the He nuclei completely into oxygen nuclei, the energy released per oxygen nucleus is [Mass of He nucleus is 4.0026 amu and mass of Oxygen nucleus is 15.9994 amu] [2005]

Smart Achievers · Accepted Answer

(3)

$4 {}_{2}^{4}{He} ⟶ {}_{8}^{16}O$

$B.E. = Δ m \times 931.5 MeV$

$= (4 \times 4.0026 - 15.9994) \times 931.5 = 10.24 MeV$

Solution

Q.
If a star can convert all the He nuclei completely into oxygen nuclei, the energy released per oxygen nucleus is [Mass of He nucleus is 4.0026 amu and mass of Oxygen nucleus is 15.9994 amu] [2005]

1 7.6 MeV

2 56.12 MeV

3 10.24 MeV

4 23.9 MeV

Ans.
(3)

$4 {}_{2}^{4}{He} ⟶ {}_{8}^{16}O$

$B.E. = Δ m \times 931.5 MeV$

$= (4 \times 4.0026 - 15.9994) \times 931.5 = 10.24 MeV$

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