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Multiple Choice Question

Why does a star produce its own light and heat?एक तारा अपना स्वयं का प्रकाश और ऊष्मा क्यों उत्पन्न करता है?

  • A
    Nuclear fission
    नाभिकीय विखंडन
  • B
    Nuclear fusion
    नाभिकीय संलयन
  • C
    Chemical reaction
    रासायनिक प्रतिक्रिया
  • D
    None
    इनमें से कोई नहीं
Explanation:
Stars are huge celestial bodies made mostly of hydrogen and helium. Heat and light energy produced by the stars are due to the fusion reaction of hydrogen atoms.
तारे विशाल खगोलीय पिंड होते हैं जो मुख्य रूप से हाइड्रोजन और हीलियम से बने होते हैं। तारों द्वारा पैदा होने वाली गर्मी और रोशनी हाइड्रोजन परमाणुओं की नाभिकीय संलयन (nuclear fusion) प्रतिक्रिया के कारण होती है।
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