A

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Q. A balloon filled with hydrogen will

  • (A) Continue going upwards uninterrupted
  • (B) Reach a particular height and remain floating
  • (C) Burst after reaching some height
  • (D) Reach a particular height and start coming down
  • Correct Answer - Option(B)
  • Views: 13
  • Filed under category Physics
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Explanation by: Admin
A balloon filled with the hydrogen stops rising after it has attained a certain height in the sky. This is because as height increases, the density of air decreases resulting in a decrease of buoyant force.

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