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					 An atomic pile is used for
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                        -  producing X-rays
 
-  conducting nuclear fission 
 
-  coducting thermonuclear fusion 
 
- accelerating atoms
 
-  producing X-rays
Correct Option: B
An atomic pile is a nuclear reactor that uses controlled nuclear fission to generate energy. The most common reactor consists of a large assembly of graphite (an allotropic form of carbon) blocks having rods of uranium metal (fuel).
 
	