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Nuclear Fission

Nuclear fusio...

Question

Nuclear fusion is possible:

A

only between light nuclei

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B

only between heavy nuclei

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C

between both light and heavy nuclei

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D

only between nuclei which are stable against

β -

decay

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Solution

The correct option is A only between light nuclei
Nuclear fusion is possible only between light nuclei as they become more stable by acquiring greater atomic number to form particles with intermediate mass. Nuclear fission is possible with heavy nuclei.

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Q. Assertion :Energy is released when heavy nuclei undergo fission or light nuclei undergo fusion Reason: For heavy nuclei, binding energy per nucleon increases with increasing Z while for light nuclei it decreases with increasing Z.

Q. Statement-I : Energy is released when heavy nuclei undergo fission or light nuclei undergo fusion and
Statement-11: For heavy nuclei, binding energy per nucleon increases with increasing Z. while for light nuclei it decreases with increasing Z.

Q. Nuclear fusion between large nuclei do not occur as a result of the large repulsive force between large nuclei.

Q. Assertion :Heavy nuclides tend to have more number of neutrons than protons. Reason: In heavy nuclei, as there is coloumbic repulsion between protons, so excess of neutrons are preferable.

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, while heavy nuclei are more stable if

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