A balloon filled with hydrogen gas floats in air. explain this fact with reason.
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Answered by
75
We know that hydrogen density is less than air.
When the hydrogen density is less.. It tries to float in air , by the concept of buoyancy.
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Answered by
60
Answer:
When the balloon is filled with hydrogen gas, the density of the balloon becomes less than the density of the atmospheric air. The weight of the balloon becomes less than the upthrust or buoyant force acting on it. Hence, the balloon floats in the air.
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