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Conduction, Convection, and Radiation – Heat Transfer (Chapter 24): IIT JEE Class 11 Physics.

Here we describe the topic as, Conduction, Convection, and Radiation from chapter Heat Transfer of IIT JEE Class 11 physics.

Heat Transfer

Heat transfer is the physical act of thermal energy being exchanged between two systems by dissipating heat.
Temperature and the flow of heat are the basic principles of heat transfer.

The amount of thermal energy available is determined by the temperature, and the heat flow represents the movement of thermal energy.

Conduction

Conduction transfers heat via direct molecular collision. An area of greater kinetic energy will transfer thermal energy to an area with lower kinetic energy.

Higher-speed particles will collide with slower speed particles. The slower-speed particles will increase in kinetic energy as a result.
Conduction is the most common form of heat transfer and occurs via physical contact.

Cross-section and path of travel both play an important part in conduction. The greater the size and length of an object, the more energy that’s required to heat it.

And the greater the surface area that’s exposed, the more heat is lost. Smaller objects with small cross-sections have minimal heat loss.

Convection

When a fluid, such as air or a liquid, is heated and then travels away from the source, it carries the thermal energy along. This type of heat transfer is called convection.
The fluid above a hot surface expands, becomes less dense, and rises

Radiation

Thermal radiation generates the emission of electromagnetic waves. These waves carry the energy away from the emitting object.

Radiation occurs through a vacuum or any transparent medium (either solid or fluid). Thermal radiation is the direct result of random movements of atoms and molecules in matter.
Movement of the charged protons and electrons results in the emission of electromagnetic radiation.

All the above-mentioned topics are described in an interactive and efficient manner so that the students could easily understand them.

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#Heattransfer #ConductionConvectionandRadiation #class11physics

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13 Comments

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  1. Gopal Singh negi 3 years ago

    Fantastic explanation sir

  2. Ratanakar Mohanty 3 years ago

    Sir you are great 👍👍

  3. Vivek Kumar 3 years ago

    Great make video for class 9

  4. WWE Music 3 years ago

    Thanku sir..
    You are very great sir

    🎩
    😁
    👕👍Great!
    👖

  5. funny world 3 years ago

    I want whole iit course

  6. Anil Upadhyay 3 years ago

    Excellent

  7. nishar ansari 3 years ago

    thank you sir

  8. MADHAVI RAHULKAR 3 years ago

    Any who want more videos. Then like share and subscribe as much as possible

  9. Atul Lodhi 3 years ago

    Thanks Sir Ji

  10. Neha Nain 3 years ago

    Thx sir. But full chapter ki videos Kha mil skti hai aapki. Pls tell me

  11. Bandna Shukla 3 years ago

    Sir aap class 9 physics Ke chapter 2 force and laws of motion Ke saare contents Nahi hai keval 2' 3 hi hai plz

  12. Anjana Gupta 3 years ago

    Pls explain radiation sir

  13. Navneet Siwach 3 years ago

    nice video

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