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Q:

When a boat enters the sea from a river, then?

  • 1
    rises slightly upwards
  • 2
    sinks slightly
  • 3
    remains unchanged
  • 4
    none of these
  • Show Answer
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Answer : 1. "rises slightly upwards"
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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