ICSE Class 10 Physics 2018 Solved Paper

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The ore of Uranium found in nature contains 92U238 and 92U235. Although both the isotopes are fissionable, it is found out experimentally that one of the two isotopes is more easily fissionable.
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Question : 72
Total: 78
Name the isotope of Uranium which is easily fissionable.
Solution:  
The isotope of Uranium which is easily fissionable is 92U235 .
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