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

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Ram Sharma
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