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Which of the following is true about heat transfer through conduction?
- a)It occurs only in liquids and gases.
- b)It requires the presence of a medium for transfer.
- c)It is the transfer of heat through electromagnetic waves.
- d)It occurs due to direct contact between particles.
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Which of the following is true about heat transfer through conduction?...
Conduction is the transfer of heat through direct contact between particles. It can occur in solids, liquids, and gases.
Most Upvoted Answer
Which of the following is true about heat transfer through conduction?...
Understanding Heat Transfer through Conduction
Heat transfer through conduction is a fundamental process that involves the transfer of thermal energy between particles of matter. Here's a detailed breakdown of why option 'D' is the correct answer.
Direct Contact Between Particles
- When two objects at different temperatures come into contact, heat energy will flow from the hotter object to the cooler one.
- This transfer occurs as particles collide and interact; the faster-moving (hotter) particles transfer energy to the slower-moving (cooler) particles.
Medium Requirement
- Unlike radiation, which can occur in a vacuum, conduction requires a medium (solid, liquid, or gas) to facilitate the transfer.
- This is why options 'A' and 'C' are incorrect; conduction does not occur solely in liquids and gases and is not associated with electromagnetic waves.
Efficiency in Different Materials
- Conductors, such as metals, allow heat to transfer quickly due to their closely packed particles and free electrons, while insulators, like wood or rubber, hinder this transfer.
Applications of Conduction
- Conduction is essential in various applications, such as cooking (e.g., frying an egg on a pan) and thermal management in engineering (e.g., heat sinks in electronic devices).
In summary, conduction is characterized by heat transfer through direct contact between particles, making option 'D' the only true statement regarding this process. Understanding this principle is crucial for various fields, including physics, engineering, and environmental science.
Heat transfer through conduction is a fundamental process that involves the transfer of thermal energy between particles of matter. Here's a detailed breakdown of why option 'D' is the correct answer.
Direct Contact Between Particles
- When two objects at different temperatures come into contact, heat energy will flow from the hotter object to the cooler one.
- This transfer occurs as particles collide and interact; the faster-moving (hotter) particles transfer energy to the slower-moving (cooler) particles.
Medium Requirement
- Unlike radiation, which can occur in a vacuum, conduction requires a medium (solid, liquid, or gas) to facilitate the transfer.
- This is why options 'A' and 'C' are incorrect; conduction does not occur solely in liquids and gases and is not associated with electromagnetic waves.
Efficiency in Different Materials
- Conductors, such as metals, allow heat to transfer quickly due to their closely packed particles and free electrons, while insulators, like wood or rubber, hinder this transfer.
Applications of Conduction
- Conduction is essential in various applications, such as cooking (e.g., frying an egg on a pan) and thermal management in engineering (e.g., heat sinks in electronic devices).
In summary, conduction is characterized by heat transfer through direct contact between particles, making option 'D' the only true statement regarding this process. Understanding this principle is crucial for various fields, including physics, engineering, and environmental science.
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Which of the following is true about heat transfer through conduction?a)It occurs only in liquids and gases.b)It requires the presence of a medium for transfer.c)It is the transfer of heat through electromagnetic waves.d)It occurs due to direct contact between particles.Correct answer is option 'D'. Can you explain this answer?
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Which of the following is true about heat transfer through conduction?a)It occurs only in liquids and gases.b)It requires the presence of a medium for transfer.c)It is the transfer of heat through electromagnetic waves.d)It occurs due to direct contact between particles.Correct answer is option 'D'. Can you explain this answer? for Delhi Police Constable 2025 is part of Delhi Police Constable preparation. The Question and answers have been prepared according to the Delhi Police Constable exam syllabus. Information about Which of the following is true about heat transfer through conduction?a)It occurs only in liquids and gases.b)It requires the presence of a medium for transfer.c)It is the transfer of heat through electromagnetic waves.d)It occurs due to direct contact between particles.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Delhi Police Constable 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is true about heat transfer through conduction?a)It occurs only in liquids and gases.b)It requires the presence of a medium for transfer.c)It is the transfer of heat through electromagnetic waves.d)It occurs due to direct contact between particles.Correct answer is option 'D'. Can you explain this answer?.
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