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During a cold winter season, a person prefers to sit near a fire. Which of the following modes of heat transfer provides him the maximum heat?
- a)Conduction from the fire
- b)If it is near the fire, convection sounds good
- c)Convection and radiation together
- d)Radiation will provide quick warmth
Correct answer is option 'D'. Can you explain this answer?
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During a cold winter season, a person prefers to sit near a fire. Whic...
Heat transfer by radiation can occur between two bodies even when they are separated by a medium colder than both of them.
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During a cold winter season, a person prefers to sit near a fire. Whic...
Heat Transfer and Winter Season
Heat transfer is the process of transportation of thermal energy from one object to another. During the winter season, people prefer to sit near a fire to feel warm. In this situation, the maximum heat transfer is provided by radiation.
Radiation Provides Quick Warmth
Radiation is the transfer of heat energy in the form of electromagnetic waves. When a person sits near a fire, the heat energy is transferred from the fire to the person through radiation. Radiation provides quick warmth as it does not require any medium to transfer heat energy. It can travel through the vacuum of space as well.
Other Modes of Heat Transfer
Conduction is the transfer of heat energy through direct contact. When a person sits on a chair near the fire, the heat energy is transferred from the chair to the person through conduction. However, conduction cannot provide maximum heat transfer as it is limited to the contact area.
Convection is the transfer of heat energy through the movement of fluids. When a person sits near a fire, the air around the person gets heated up and rises, creating a convection current. This convection current can transfer some amount of heat energy to the person, but it cannot provide maximum heat transfer as it depends on the movement of fluids.
Conclusion
In conclusion, during a winter season, a person prefers to sit near a fire to feel warm, and the maximum heat transfer is provided by radiation. Convection, conduction, and radiation together can transfer some amount of heat energy, but radiation provides quick warmth without the requirement of any medium.
Heat transfer is the process of transportation of thermal energy from one object to another. During the winter season, people prefer to sit near a fire to feel warm. In this situation, the maximum heat transfer is provided by radiation.
Radiation Provides Quick Warmth
Radiation is the transfer of heat energy in the form of electromagnetic waves. When a person sits near a fire, the heat energy is transferred from the fire to the person through radiation. Radiation provides quick warmth as it does not require any medium to transfer heat energy. It can travel through the vacuum of space as well.
Other Modes of Heat Transfer
Conduction is the transfer of heat energy through direct contact. When a person sits on a chair near the fire, the heat energy is transferred from the chair to the person through conduction. However, conduction cannot provide maximum heat transfer as it is limited to the contact area.
Convection is the transfer of heat energy through the movement of fluids. When a person sits near a fire, the air around the person gets heated up and rises, creating a convection current. This convection current can transfer some amount of heat energy to the person, but it cannot provide maximum heat transfer as it depends on the movement of fluids.
Conclusion
In conclusion, during a winter season, a person prefers to sit near a fire to feel warm, and the maximum heat transfer is provided by radiation. Convection, conduction, and radiation together can transfer some amount of heat energy, but radiation provides quick warmth without the requirement of any medium.
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During a cold winter season, a person prefers to sit near a fire. Which of the following modes of heat transfer provides him the maximum heat?a)Conduction from the fireb)If it is near the fire, convection sounds goodc)Convection and radiation togetherd)Radiation will provide quick warmthCorrect answer is option 'D'. Can you explain this answer?
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During a cold winter season, a person prefers to sit near a fire. Which of the following modes of heat transfer provides him the maximum heat?a)Conduction from the fireb)If it is near the fire, convection sounds goodc)Convection and radiation togetherd)Radiation will provide quick warmthCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for During a cold winter season, a person prefers to sit near a fire. Which of the following modes of heat transfer provides him the maximum heat?a)Conduction from the fireb)If it is near the fire, convection sounds goodc)Convection and radiation togetherd)Radiation will provide quick warmthCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of During a cold winter season, a person prefers to sit near a fire. Which of the following modes of heat transfer provides him the maximum heat?a)Conduction from the fireb)If it is near the fire, convection sounds goodc)Convection and radiation togetherd)Radiation will provide quick warmthCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
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