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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 is option 'C'. Can you explain this answer?
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A hydrogen balloon floats up because of:a)Air pressure decreases with...
Weight of the balloon is less than the weight of air displaced by it.
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A hydrogen balloon floats up because of:a)Air pressure decreases with...
Why does a hydrogen balloon float up?
To understand why a hydrogen balloon floats up, we need to consider the concept of buoyancy. Buoyancy is the upward force exerted by a fluid, such as air, on an object immersed in it. This force is responsible for making objects float or sink.
1. Archimedes' Principle:
According to Archimedes' principle, an object immersed in a fluid experiences an upward buoyant force equal to the weight of the fluid it displaces. In the case of a hydrogen balloon, the balloon displaces a volume of air equal to its own volume.
2. Weight of the balloon and the displaced air:
The weight of the balloon is determined by the mass of the gas it contains. Since hydrogen is lighter than air, the weight of the balloon is significantly less than the weight of the air it displaces.
3. Comparison of weights:
When the weight of the balloon is less than the weight of the air it displaces, the buoyant force acting on the balloon is greater than its weight. As a result, the balloon experiences a net upward force and floats upwards.
4. Relationship between weight and buoyancy:
The buoyant force on the balloon is directly proportional to the weight of the air displaced by the balloon. The lighter the gas inside the balloon, the greater the difference between the weight of the balloon and the weight of the displaced air, and the stronger the buoyant force.
5. Final answer:
Therefore, the correct answer is option 'C': The weight of the balloon is less than the weight of air displaced by it. This difference in weight causes a buoyant force that is greater than the weight of the balloon, allowing it to float upwards.
By understanding the principles of buoyancy and the comparison of weights, we can explain why a hydrogen balloon floats up in the air.
To understand why a hydrogen balloon floats up, we need to consider the concept of buoyancy. Buoyancy is the upward force exerted by a fluid, such as air, on an object immersed in it. This force is responsible for making objects float or sink.
1. Archimedes' Principle:
According to Archimedes' principle, an object immersed in a fluid experiences an upward buoyant force equal to the weight of the fluid it displaces. In the case of a hydrogen balloon, the balloon displaces a volume of air equal to its own volume.
2. Weight of the balloon and the displaced air:
The weight of the balloon is determined by the mass of the gas it contains. Since hydrogen is lighter than air, the weight of the balloon is significantly less than the weight of the air it displaces.
3. Comparison of weights:
When the weight of the balloon is less than the weight of the air it displaces, the buoyant force acting on the balloon is greater than its weight. As a result, the balloon experiences a net upward force and floats upwards.
4. Relationship between weight and buoyancy:
The buoyant force on the balloon is directly proportional to the weight of the air displaced by the balloon. The lighter the gas inside the balloon, the greater the difference between the weight of the balloon and the weight of the displaced air, and the stronger the buoyant force.
5. Final answer:
Therefore, the correct answer is option 'C': The weight of the balloon is less than the weight of air displaced by it. This difference in weight causes a buoyant force that is greater than the weight of the balloon, allowing it to float upwards.
By understanding the principles of buoyancy and the comparison of weights, we can explain why a hydrogen balloon floats up in the air.
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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 is option 'C'. Can you explain this answer?
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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 is option 'C'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about 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 is option 'C'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 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 is option 'C'. Can you explain this answer?.
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 is option 'C'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about 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 is option 'C'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 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 is option 'C'. Can you explain this answer?.
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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 is option 'C'. Can you explain this answer?, a detailed solution for 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 is option 'C'. Can you explain this answer? has been provided alongside types of 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 is option 'C'. Can you explain this answer? theory, EduRev gives you an
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