पृथ्वीच्या पृष्ठभागावरील मुक्ति वेग ______ आहे.

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NTPC CBT 2 2016 Previous Paper 4 (Held On: 18 Jan 2017 Shift 1)
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  1. 13.8 किमी/सेकंद
  2. 11.2 किमी/सेकंद
  3. 21.3 किमी/सेकंद
  4. 4.3 किमी/सेकंद

Answer (Detailed Solution Below)

Option 2 : 11.2 किमी/सेकंद
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Detailed Solution

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योग्य उत्तर 11.2 किमी/सेकंद आहे.

  • एखाद्या विशिष्ट ग्रह किंवा इतर वस्तूंच्या गुरुत्वाकर्षणापासून मुक्त होण्यासाठी वस्तूला लागणारा सर्वात कमी वेग म्हणजे मुक्ति वेग होय.
  • पृथ्वीचा मुक्ती वेग हा 11.19 किलोमीटर प्रति सेकंद इतका असतो. 
  • शुक्राचा मुक्ती वेग हा 10.36 किलोमीटर प्रति सेकंद इतका असतो. 
  • मंगळाचा मुक्ती वेग हा 5.03 किलोमीटर प्रति सेकंद इतका असतो. 
  • शनीचा मुक्ती वेग हा 36.09 किलोमीटर प्रति सेकंद इतका असतो. 
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