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Q:

जब कोई नाव नदी से समुद्र में प्रवेश करती है तो ?

  • 1
    थोड़ी ऊपर की ओर उठ जाती है
  • 2
    थोड़ी डूब जाती है
  • 3
    अपरिवर्तित रहती है
  • 4
    इनमें से कोई नहीं
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Answer : 1. "थोड़ी ऊपर की ओर उठ जाती है"
Explanation :

The correct answer is It rises a little. A ship rises a little when enters the sea from a river. Because of salinity, seawater has more density than river water. In the sea, the more buoyant force is exerted upon the ship than in the river.

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