Nuclear Fission
Nuclear Fission is a Science & Technology concept from the MPSC syllabus, tested in 2 past MPSC questions (2022). Below are those real questions with their correct answers and explanations, plus the concepts worth being comfortable with first.
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विखंडन प्रक्रियांमध्ये निर्माण होणाऱ्या ऊर्जेचे प्रमाण खालीलपैकी कोणत्या बाबीवर/बाबींवर अवलंबून असते ? In fission processes, the amount of energy released depends on which of the following factor/s ?
(a)अभिक्रिया कारकाचे वस्तुमान / The mass of the reactant
(b)उत्पाद्याचे वस्तुमान / The mass of the product
(c)अभिक्रियाकारक आणि उत्पाद्याचे वस्तुमान / The mass of the reactant and product
(d)विखंडनांच्या वेळी कमी झालेले वस्तुमान / The loss in mass during fission
In nuclear fission processes, the energy released is directly proportional to the mass defect (loss in mass during fission, based on Einstein's E=mc^2), which is derived from the difference between reactant and product masses.
खालील परिकल्पित अभिक्रिया पूर्ण करा : 235 92 U + 1 0 n -> x 54 Xe + y 38 Sr + 4 1 0 n
(a)x = 141, y = 91
(b)x = 139, y = 93
(c)x = 141, y = 93
(d)x = 139, y = 95
In nuclear fission of Uranium-235 bombarded by a neutron, mass numbers and atomic numbers must balance. Solving for standard fission fragments gives x = 141, y = 92 or 91 with varying neutron counts, fitting options (a) and (b).