Class 7 Exam > Class 7 Questions > Which type of heat transfer occurs when heat ...
Start Learning for Free
Which type of heat transfer occurs when heat is transferred through a liquid or gas?
- a)Conduction
- b)Convection
- c)Radiation
- d)None of the above
Correct answer is option 'B'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Most Upvoted Answer
Which type of heat transfer occurs when heat is transferred through a ...
When heat is transferred through a liquid or gas, it is transferred through convection.
Free Test
FREE
| Start Free Test |
Community Answer
Which type of heat transfer occurs when heat is transferred through a ...
Convection:
Convection is the type of heat transfer that occurs when heat is transferred through a liquid or gas. This process involves the movement of the heated particles within the fluid. Here is how convection works:
1. Heating of the Fluid:
- When a liquid or gas is heated, the particles gain energy and move faster, causing them to spread out and become less dense.
2. Expansion and Rise:
- The heated fluid expands and becomes less dense, causing it to rise while cooler, denser fluid moves down to replace it.
3. Circular Motion:
- This creates a circular motion where the heated fluid rises, cools down, and then sinks back down to be reheated, forming convection currents.
4. Transfer of Heat:
- As the fluid moves in this manner, heat is transferred from the hotter regions to the cooler regions, leading to overall temperature equalization.
5. Examples:
- An everyday example of convection is boiling water in a pot. The heated water at the bottom rises, cools at the surface, and then sinks back down, creating a cycle of heat transfer.
In conclusion, convection is the primary mechanism for heat transfer through liquids and gases due to the movement of fluid particles.
Convection is the type of heat transfer that occurs when heat is transferred through a liquid or gas. This process involves the movement of the heated particles within the fluid. Here is how convection works:
1. Heating of the Fluid:
- When a liquid or gas is heated, the particles gain energy and move faster, causing them to spread out and become less dense.
2. Expansion and Rise:
- The heated fluid expands and becomes less dense, causing it to rise while cooler, denser fluid moves down to replace it.
3. Circular Motion:
- This creates a circular motion where the heated fluid rises, cools down, and then sinks back down to be reheated, forming convection currents.
4. Transfer of Heat:
- As the fluid moves in this manner, heat is transferred from the hotter regions to the cooler regions, leading to overall temperature equalization.
5. Examples:
- An everyday example of convection is boiling water in a pot. The heated water at the bottom rises, cools at the surface, and then sinks back down, creating a cycle of heat transfer.
In conclusion, convection is the primary mechanism for heat transfer through liquids and gases due to the movement of fluid particles.
Attention Class 7 Students!
To make sure you are not studying endlessly, EduRev has designed Class 7 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 7.
|
Explore Courses for Class 7 exam
|
|
Similar Class 7 Doubts
Top Courses for Class 7View all
Which type of heat transfer occurs when heat is transferred through a liquid or gas?a)Conductionb)Convectionc)Radiationd)None of the aboveCorrect answer is option 'B'. Can you explain this answer?
Question Description
Which type of heat transfer occurs when heat is transferred through a liquid or gas?a)Conductionb)Convectionc)Radiationd)None of the aboveCorrect answer is option 'B'. Can you explain this answer? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Which type of heat transfer occurs when heat is transferred through a liquid or gas?a)Conductionb)Convectionc)Radiationd)None of the aboveCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which type of heat transfer occurs when heat is transferred through a liquid or gas?a)Conductionb)Convectionc)Radiationd)None of the aboveCorrect answer is option 'B'. Can you explain this answer?.
Which type of heat transfer occurs when heat is transferred through a liquid or gas?a)Conductionb)Convectionc)Radiationd)None of the aboveCorrect answer is option 'B'. Can you explain this answer? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Which type of heat transfer occurs when heat is transferred through a liquid or gas?a)Conductionb)Convectionc)Radiationd)None of the aboveCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which type of heat transfer occurs when heat is transferred through a liquid or gas?a)Conductionb)Convectionc)Radiationd)None of the aboveCorrect answer is option 'B'. Can you explain this answer?.
Solutions for Which type of heat transfer occurs when heat is transferred through a liquid or gas?a)Conductionb)Convectionc)Radiationd)None of the aboveCorrect answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 7.
Download more important topics, notes, lectures and mock test series for Class 7 Exam by signing up for free.
Here you can find the meaning of Which type of heat transfer occurs when heat is transferred through a liquid or gas?a)Conductionb)Convectionc)Radiationd)None of the aboveCorrect answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Which type of heat transfer occurs when heat is transferred through a liquid or gas?a)Conductionb)Convectionc)Radiationd)None of the aboveCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for Which type of heat transfer occurs when heat is transferred through a liquid or gas?a)Conductionb)Convectionc)Radiationd)None of the aboveCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of Which type of heat transfer occurs when heat is transferred through a liquid or gas?a)Conductionb)Convectionc)Radiationd)None of the aboveCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Which type of heat transfer occurs when heat is transferred through a liquid or gas?a)Conductionb)Convectionc)Radiationd)None of the aboveCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice Class 7 tests.
|
|
Explore Courses for Class 7 exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup