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Identify the instance when blowing air from the mouth helps to warm things up ?
- a)Blowing over tea
- b)Blowing over hands after rubbing them on a snowy day
- c)Blowing over rubber particles after using an eraser
- d)Blowing over spectacles
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Identify the instance when blowing air from the mouth helps to warm th...
- Blowing over the tea makes the tea cold.
- Blowing over rubber particles after using eraser clears the dust.
- Blowing over spectacles creates a fog-like thing on the spectacles.
Hence, the correct answer is blowing over hands after rubbing them on a snowy day.
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Community Answer
Identify the instance when blowing air from the mouth helps to warm th...
Blowing over hands after rubbing them on a snowy day
When you rub your hands together on a snowy day, the friction generates heat, but sometimes it may not be enough to warm up your hands completely. In such a situation, blowing air from the mouth over the hands can help to further warm them up.
How does it work?
- When you rub your hands together, the friction between them creates heat due to the conversion of mechanical energy into thermal energy.
- Blowing air from the mouth helps to transfer the body heat to the hands, providing additional warmth.
- The warm air blown onto the hands helps to maintain the elevated temperature achieved through friction, preventing rapid heat loss to the cold surroundings.
Benefits of blowing air over hands after rubbing them on a snowy day
- Provides additional warmth: The combination of friction-generated heat and warm air blown over the hands helps to raise and maintain their temperature.
- Prevents heat loss: Blowing air over the hands creates a barrier against the cold environment, reducing heat dissipation and keeping the hands warmer for a longer duration.
- Comfort and relief: The warm air not only warms up the hands but also provides a comforting sensation, alleviating the discomfort caused by the cold.
In conclusion, blowing air from the mouth over hands after rubbing them on a snowy day can be an effective way to warm them up further by transferring body heat and creating a barrier against heat loss.
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Identify the instance when blowing air from the mouth helps to warm things up ?a)Blowing over teab)Blowing over hands after rubbing them on a snowy dayc)Blowing over rubber particles after using an eraserd)Blowing over spectaclesCorrect answer is option 'B'. Can you explain this answer?
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Identify the instance when blowing air from the mouth helps to warm things up ?a)Blowing over teab)Blowing over hands after rubbing them on a snowy dayc)Blowing over rubber particles after using an eraserd)Blowing over spectaclesCorrect answer is option 'B'. Can you explain this answer? for Class 5 2024 is part of Class 5 preparation. The Question and answers have been prepared according to the Class 5 exam syllabus. Information about Identify the instance when blowing air from the mouth helps to warm things up ?a)Blowing over teab)Blowing over hands after rubbing them on a snowy dayc)Blowing over rubber particles after using an eraserd)Blowing over spectaclesCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 5 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Identify the instance when blowing air from the mouth helps to warm things up ?a)Blowing over teab)Blowing over hands after rubbing them on a snowy dayc)Blowing over rubber particles after using an eraserd)Blowing over spectaclesCorrect answer is option 'B'. Can you explain this answer?.
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