Nuclear Energy
Nuclear Energy is a Science & Technology concept from the MPSC syllabus, tested in 2 past MPSC questions (2019, 2022). Below are those real questions with their correct answers and explanations, plus the concepts worth being comfortable with first.
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पुढील विधानांचे परीक्षण करा. अ. ऊर्जेच्या विविध स्वरूपांच्या निर्मितीसाठी मोठ्या प्रमाणात जिवाश्म इंधनाची गरज असते. ब. अणु विखंडन वा विलिनीकरण प्रक्रिया मोठ्या प्रमाणात ऊर्जेचे उत्पादन करते. क. जैव इंधनाचा वापर करत नसल्याने अणुऊर्जा मोठ्या प्रमाणात प्रदूषण कमी करते. ड. काटेकोरपणे व्यवस्थापन करून अणु कचऱ्याची समस्या सुटू शकते. पुढील पर्यायांमधून वरील विधानांवर आधारलेले सर्वात उचित अनुमान निवडा.
(a)Production of various forms of energy requires bio-fossil fuels in large quantities.
(b)Atomic fission or fusion processes produce large amount of energy.
(c)Atomic energy reduces pollution remarkably as it doesn't use bio-fossil fuels.
(d)Problem of atomic waste can be managed tactfully.
Nuclear energy is a great alternative because it avoids fossil fuels and reduces pollution, provided that atomic waste is managed strictly and tactfully.
दिलेल्या अणु विखंडन क्रियेत, 1000 ग्रॅ. ²³⁵₉₂U अणूचे विखंडन होऊन ______ इतकी ऊर्जा तयार होईल.
(a)4.3 × 10⁹ किलो कॅलरी
(b)186 मिलियन इलेक्ट्रॉन व्होल्ट (MeV)
(c)2 × 10⁷ किलो कॅलरी
(d)1.83 × 10¹⁰ किलो कॅलरी
The energy released by the fission of 1000 grams (1 kg) of U-235 is calculated to be approximately 1.83 × 10¹⁰ kilo calories.