Q. 143.8( 6 Votes )
What is nuclear fission? Explain with an example. Write the equation of the nuclear reaction involved.
Answer :
Nuclear fission is a nuclear reaction in which the nucleus of an atom splits into smaller parts (lighter nuclei).The fission process often produces free neutrons and photons (in the form of gamma rays), and releases a large amount of energy.
E.g., When uranium-235 atoms are bombarded with slow moving neutrons, the heavy uranium nucleus breaks up to produce two medium-weighted atoms and 3 neutrons, with the emission of tremendous amount of energy.
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PREVIOUSFill in the following blanks with suitable words:(a) Splitting of a heavy nucleus into two lighter nuclei is called .............(b) Uranium-235 atoms will split when hit by ............ This is called ....................(c) Nuclear ................ is used in nuclear power stations for the production of electricity.(d) In a nuclear power station, nuclear fission takes place in the .............NEXTWhat is nuclear fusion? Explain with an example. Write the equation of the reaction involved.
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