RRB Technician Grade 3 previous year question
Which of the following isotopes is used in the treatment of cancer?
Asked in RRB Technician Grade 3 (10 Mar 2026 Shift 1) · Science
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Correct answer: (C) Isotope of cobalt
Cobalt-60, a radioactive isotope of cobalt, emits gamma radiation and is widely used in radiotherapy machines to treat cancer by destroying malignant cells.
हिंदी में प्रश्न
निम्नलिखित में से कौन-सा समस्थानिक कैंसर के उपचार में उपयोग किया जाता है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) कोबाल्ट का समस्थानिक
कोबाल्ट-60, कोबाल्ट का एक रेडियोधर्मी समस्थानिक, गामा विकिरण उत्सर्जित करता है और कैंसर कोशिकाओं को नष्ट करने हेतु रेडियोथेरेपी मशीनों में व्यापक रूप से प्रयोग किया जाता है।
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