Science · Nuclear Physics
What is the approximate percentage of the isotope U-235 in natural uranium?
- 199.27%
- 25.00%
- 32.50%
- 40.72%✓
Correct answer
0.72%
Explanation
स्पष्टीकरण:
प्राकृतिक रूप से पाए जाने वाले यूरेनियम अयस्क में मुख्य रूप से तीन समस्थानिक (isotopes) शामिल होते हैं:
यूरेनियम-238 (U-238): लगभग 99.27%
यूरेनियम-235 (U-235): लगभग 0.72% (यह परमाणु विखंडन के लिए सबसे महत्वपूर्ण समस्थानिक है)
यूरेनियम-234 (U-234): लगभग 0.0055%
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