A Admin • 833K Points Coach Q. A hydrogen filled balloon rises in air because (A) The density of air decreases with altitude (B) The atmospheric pressure decreases with altitude (C) The buoyant force exerted by the air on the balloon is greater than the weight of the balloon (D) The acceleration due to gravity decreases with altitude Correct Answer - Option(C) Views: 11 Filed under category Physics Hashtags: Share Manage Tags
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