📊 Physics
Q. A hydrogen balloon floats up because of
  • (A) Air pressure decreases with decrease in height
  • (B) Air pressure decreases with decrease in weight
  • (C) Weight of the balloon is less than the weight of air displaced by it.
  • (D) The pressure inside the balloon is more than the pressure outside it
✅ Correct Answer: (C) Weight of the balloon is less than the weight of air displaced by it.

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Brijesh Goswami
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