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In which process is no medium required for the transfer of heat?
- a)Conduction
- b)Convection
- c)Radiation
- d)Sublimation
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
In which process is no medium required for the transfer of heat?a)Cond...
Radiation does not require a medium for the transfer of heat; it can occur through a vacuum, as in the transfer of heat from the sun to the Earth.
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In which process is no medium required for the transfer of heat?a)Cond...
Understanding Heat Transfer Processes
Heat can be transferred through three main processes: conduction, convection, and radiation. Each of these processes has unique characteristics regarding the medium required for heat transfer.
Conduction
- In conduction, heat is transferred through direct contact between molecules.
- This process requires a solid medium (e.g., metal) as the heat is passed from one molecule to another.
Convection
- Convection involves the transfer of heat through fluids (liquids or gases).
- It occurs when warmer areas of a fluid rise and cooler areas sink, creating a circulation pattern.
- This process also requires a medium, specifically a fluid.
Radiation
- Radiation is the only heat transfer process that does not require a medium.
- It involves the transfer of energy through electromagnetic waves, such as infrared radiation.
- Heat from the sun reaches the Earth through the vacuum of space, demonstrating that radiation can occur without any material medium.
Conclusion
- The correct answer to the question is option 'C' (Radiation) because it uniquely allows for heat transfer across empty space.
- Understanding these processes is essential in various scientific and practical applications, from cooking to climate science.
Heat can be transferred through three main processes: conduction, convection, and radiation. Each of these processes has unique characteristics regarding the medium required for heat transfer.
Conduction
- In conduction, heat is transferred through direct contact between molecules.
- This process requires a solid medium (e.g., metal) as the heat is passed from one molecule to another.
Convection
- Convection involves the transfer of heat through fluids (liquids or gases).
- It occurs when warmer areas of a fluid rise and cooler areas sink, creating a circulation pattern.
- This process also requires a medium, specifically a fluid.
Radiation
- Radiation is the only heat transfer process that does not require a medium.
- It involves the transfer of energy through electromagnetic waves, such as infrared radiation.
- Heat from the sun reaches the Earth through the vacuum of space, demonstrating that radiation can occur without any material medium.
Conclusion
- The correct answer to the question is option 'C' (Radiation) because it uniquely allows for heat transfer across empty space.
- Understanding these processes is essential in various scientific and practical applications, from cooking to climate science.
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In which process is no medium required for the transfer of heat?a)Conductionb)Convectionc)Radiationd)SublimationCorrect answer is option 'C'. Can you explain this answer?
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In which process is no medium required for the transfer of heat?a)Conductionb)Convectionc)Radiationd)SublimationCorrect answer is option 'C'. Can you explain this answer? for Class 7 2025 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about In which process is no medium required for the transfer of heat?a)Conductionb)Convectionc)Radiationd)SublimationCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 7 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In which process is no medium required for the transfer of heat?a)Conductionb)Convectionc)Radiationd)SublimationCorrect answer is option 'C'. Can you explain this answer?.
In which process is no medium required for the transfer of heat?a)Conductionb)Convectionc)Radiationd)SublimationCorrect answer is option 'C'. Can you explain this answer? for Class 7 2025 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about In which process is no medium required for the transfer of heat?a)Conductionb)Convectionc)Radiationd)SublimationCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 7 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In which process is no medium required for the transfer of heat?a)Conductionb)Convectionc)Radiationd)SublimationCorrect answer is option 'C'. Can you explain this answer?.
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