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Nuclear Fusion

When four hyd...

Question

When four hydrogen nuclei fuse together to form a helium nucleus, then in this process

A

energy is absorbed.

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B

energy is liberated.

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C

absorption and liberation of energy depends upon the temperature.

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D

energy is neither liberated nor absorbed.

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Solution

The correct option is B energy is liberated.
In the basic hydrogen fusion cycle four hydrogen nuclei (photons) come together to make a helium nucleus. This fusion cycle releases energy in the core of the star i.e., energy is liberated in this process

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