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When the temperature of a fluid increases, its viscosity generally:
- a)Decreases
- b)Increases
- c)Remains constant
- d)Depends on the type of fluid
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
When the temperature of a fluid increases, its viscosity generally:a)D...
Understanding Viscosity
Viscosity is a measure of a fluid's resistance to flow. It reflects the internal friction within the fluid, which affects how easily it can move.
Effect of Temperature on Viscosity
When the temperature of a fluid increases, its viscosity generally decreases. This effect can be understood through the following points:
- Molecular Motion: As temperature rises, the kinetic energy of the fluid molecules increases. This heightened energy causes the molecules to move faster and collide more frequently.
- Reduced Interaction: With increased molecular movement, the intermolecular forces that resist flow weaken. Consequently, the fluid can flow more freely, resulting in a lower viscosity.
- Fluid Types: While the general trend is that viscosity decreases with temperature for liquids, it’s important to note that gases behave differently. In gases, increased temperature actually leads to an increase in viscosity due to the greater energy and momentum transfer among molecules.
Real-World Examples
- Cooking Oil: When heated, cooking oil becomes less viscous, making it easier to pour and mix.
- Honey: Warm honey flows more easily than cold honey, showcasing the decrease in viscosity with temperature rise.
Conclusion
Understanding the relationship between temperature and viscosity is crucial in various applications, from cooking to industrial processes. This knowledge helps in predicting how fluids will behave under different thermal conditions.
Viscosity is a measure of a fluid's resistance to flow. It reflects the internal friction within the fluid, which affects how easily it can move.
Effect of Temperature on Viscosity
When the temperature of a fluid increases, its viscosity generally decreases. This effect can be understood through the following points:
- Molecular Motion: As temperature rises, the kinetic energy of the fluid molecules increases. This heightened energy causes the molecules to move faster and collide more frequently.
- Reduced Interaction: With increased molecular movement, the intermolecular forces that resist flow weaken. Consequently, the fluid can flow more freely, resulting in a lower viscosity.
- Fluid Types: While the general trend is that viscosity decreases with temperature for liquids, it’s important to note that gases behave differently. In gases, increased temperature actually leads to an increase in viscosity due to the greater energy and momentum transfer among molecules.
Real-World Examples
- Cooking Oil: When heated, cooking oil becomes less viscous, making it easier to pour and mix.
- Honey: Warm honey flows more easily than cold honey, showcasing the decrease in viscosity with temperature rise.
Conclusion
Understanding the relationship between temperature and viscosity is crucial in various applications, from cooking to industrial processes. This knowledge helps in predicting how fluids will behave under different thermal conditions.
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When the temperature of a fluid increases, its viscosity generally:a)D...
As the temperature of a fluid increases, its viscosity generally decreases.
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When the temperature of a fluid increases, its viscosity generally:a)Decreasesb)Increasesc)Remains constantd)Depends on the type of fluidCorrect answer is option 'A'. Can you explain this answer?
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When the temperature of a fluid increases, its viscosity generally:a)Decreasesb)Increasesc)Remains constantd)Depends on the type of fluidCorrect answer is option 'A'. Can you explain this answer? for JAMB 2025 is part of JAMB preparation. The Question and answers have been prepared according to the JAMB exam syllabus. Information about When the temperature of a fluid increases, its viscosity generally:a)Decreasesb)Increasesc)Remains constantd)Depends on the type of fluidCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JAMB 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for When the temperature of a fluid increases, its viscosity generally:a)Decreasesb)Increasesc)Remains constantd)Depends on the type of fluidCorrect answer is option 'A'. Can you explain this answer?.
When the temperature of a fluid increases, its viscosity generally:a)Decreasesb)Increasesc)Remains constantd)Depends on the type of fluidCorrect answer is option 'A'. Can you explain this answer? for JAMB 2025 is part of JAMB preparation. The Question and answers have been prepared according to the JAMB exam syllabus. Information about When the temperature of a fluid increases, its viscosity generally:a)Decreasesb)Increasesc)Remains constantd)Depends on the type of fluidCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JAMB 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for When the temperature of a fluid increases, its viscosity generally:a)Decreasesb)Increasesc)Remains constantd)Depends on the type of fluidCorrect answer is option 'A'. Can you explain this answer?.
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