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NEET 1998 (AIPMT) · Nuclear Fission & Fusion

Nuclear Fission & Fusion question from NEET 1998 (AIPMT)

Q40NEET 1998 · AIPMTEasy

Nuclear Fission & Fusion

Complete the equation for the following fission process:

92U235+0n1⟶38Sr90+……{}_{92}\text{U}^{235} + {}_{0}n^{1} \longrightarrow {}_{38}\text{Sr}^{90} + \ldots\ldots

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Answer: (a)

  1. Left side: A=235+1=236A = 235 + 1 = 236, Z=92Z = 92.
  2. After Sr: A=236−90=146A = 236 - 90 = 146, Z=92−38=54Z = 92 - 38 = 54.
  3. (a) 54Xe143+3 n{}_{54}\text{Xe}^{143} + 3\,n: A=146A = 146, Z=54Z = 54, balanced.
  4. So the answer is (a).
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