In which of the following conditions a Balloon filled with a gas such as Hydrogen will tend to rise ...........

General Science (Easy) Physics

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In which of the following conditions, a Balloon filled with a gas such as Hydrogen will tend to rise up?

If the buoyant force exerted by the air on a balloon is greater than the weight of the balloon

If the buoyant force exerted by the air on a balloon is less than the weight of the balloon

If the buoyant force exerted by the air on a balloon is equal to the weight of the balloon

If the density of the air is greater than the density of the gas filled in balloon

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Explanation:

A Balloon filled with a gas such as Hydrogen gas is much lighter in weight than the weight of air displaced by it. So the buoyant force exerted by the air on a balloon is greater than the weight of the balloon. The hydrogen gas which is lighter than air enables the balloon to float.