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If a liquid is heated in weightlessness, the heat is transmitted through
- a)Conduction
- b)Convection
- c)Radiation
- d)Neither, because the liquid cannot be heated in weighlessness
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
If a liquid is heated in weightlessness, the heat is transmitted throu...
Explanation:
Weightlessness:
Weightlessness, or zero gravity, is a condition where an object appears to be weightless due to the absence of any force acting on it. In weightlessness, objects do not experience the force of gravity and hence they do not have weight. They experience a state of free fall.
Heat Transfer:
Heat transfer is the process of transfer of thermal energy from one body or system to another due to temperature difference. There are three modes of heat transfer: conduction, convection, and radiation.
Conduction:
Conduction is the transfer of heat through a material without any net displacement of the particles of the material. In conduction, heat is transferred from a region of higher temperature to a region of lower temperature by the transfer of energy from one molecule to another. In a solid, conduction occurs mostly through the lattice vibrations of the atoms.
Heating of liquid in weightlessness:
In weightlessness, there is no buoyancy or convection current. Hence, the heat transfer by convection is not possible. However, conduction can still occur as long as there is a temperature gradient. The heat will be conducted through the material, and the temperature will increase uniformly.
Therefore, if a liquid is heated in weightlessness, the heat is transmitted through conduction.
Conclusion:
In conclusion, the correct option is A, i.e., conduction, because in weightlessness, there is no convection current, and hence heat transfer occurs only through conduction.
Weightlessness:
Weightlessness, or zero gravity, is a condition where an object appears to be weightless due to the absence of any force acting on it. In weightlessness, objects do not experience the force of gravity and hence they do not have weight. They experience a state of free fall.
Heat Transfer:
Heat transfer is the process of transfer of thermal energy from one body or system to another due to temperature difference. There are three modes of heat transfer: conduction, convection, and radiation.
Conduction:
Conduction is the transfer of heat through a material without any net displacement of the particles of the material. In conduction, heat is transferred from a region of higher temperature to a region of lower temperature by the transfer of energy from one molecule to another. In a solid, conduction occurs mostly through the lattice vibrations of the atoms.
Heating of liquid in weightlessness:
In weightlessness, there is no buoyancy or convection current. Hence, the heat transfer by convection is not possible. However, conduction can still occur as long as there is a temperature gradient. The heat will be conducted through the material, and the temperature will increase uniformly.
Therefore, if a liquid is heated in weightlessness, the heat is transmitted through conduction.
Conclusion:
In conclusion, the correct option is A, i.e., conduction, because in weightlessness, there is no convection current, and hence heat transfer occurs only through conduction.
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Community Answer
If a liquid is heated in weightlessness, the heat is transmitted throu...
Weightlessness means there is no proper interaction between molecules. So the heat cannot go through convention. The only way is to go by conduction.Radiation is also not possible in the
case of liquid .
case of liquid .
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If a liquid is heated in weightlessness, the heat is transmitted througha)Conductionb)Convectionc)Radiationd)Neither, because the liquid cannot be heated in weighlessnessCorrect answer is option 'A'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about If a liquid is heated in weightlessness, the heat is transmitted througha)Conductionb)Convectionc)Radiationd)Neither, because the liquid cannot be heated in weighlessnessCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If a liquid is heated in weightlessness, the heat is transmitted througha)Conductionb)Convectionc)Radiationd)Neither, because the liquid cannot be heated in weighlessnessCorrect answer is option 'A'. Can you explain this answer?.
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