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What is Nuclear Fission? Explain with an Example. Write the Equation of the Nuclear Reaction Involved. - CBSE Class 10 - Science

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Question

What is nuclear fission? Explain with an example. Write the equation of the nuclear reaction involved.

Solution

Nuclear fission
Nuclear fission is the process by which the heavy nucleus of a radioactive atom splits up into smaller nuclei when bombarded with low-energy neutrons.

Example:
When uranium-235 atoms are bombarded with slow-moving neutrons, the heavy uranium nucleus breaks up to produce two medium-weight atoms, barium-139 and krypton-94, with the emission of three neutrons. A tremendous amount of energy is produced in this process.
Reaction: 

`""_92^238U+""_0^1n"fission"/""> 56^(Ba^139)+""_36Kr^94+""3_0^1n+`Tremendous amount of energy

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Solution What is Nuclear Fission? Explain with an Example. Write the Equation of the Nuclear Reaction Involved. Concept: Alternative or Non-conventional Sources of Energy - Nuclear Energy.
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