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Electromagnetic Radiation and Matter

Fun with Infrared: Exploring How Colors and Materials Absorb Heat!

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Fun with Infrared: Exploring How Colors and Materials Absorb Heat!
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Leah

@leah_urjl

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A comprehensive guide exploring infrared radiation effects on materials and practical experiments on infrared absorption, detailing thermal radiation properties and experimental procedures.

  • Infrared radiation spans wavelengths from 740nm to 0.01m, with applications in heating and imaging
  • Both natural and technological sources can emit or absorb infrared radiation
  • Surface properties significantly affect thermal absorption and emission
  • Two detailed practical experiments demonstrate comparing thermal emission by surface color
  • Safety considerations include potential burn risks from infrared sources

3/28/2023

225

tofa INFARED RADIATION wavelength. : 740nm to 0.01m. Use in electrical heaters, Cooking infared cameras. Can Cause burns. and Sources - Huma

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Practical Investigation of Surface Properties

The second page details experimental procedures for investigating thermal energy absorption and emission by different surface types. The methodology focuses on comparing dark and shiny surfaces.

Highlight: Dull, matt, and dark surfaces are identified as superior absorbers and emitters of thermal energy.

Example: The experiment uses painted black and shiny metal containers filled with water to compare thermal properties.

Definition: Independent Variable - The factor being changed in the experiment (surface color) Definition: Dependent Variable - The measured outcome (temperature change) Definition: Control Variables - Factors kept constant (water volume, measurement timing, surface area)

The detailed method involves precise temperature measurements of water in differently colored containers over a 10-minute period.

tofa INFARED RADIATION wavelength. : 740nm to 0.01m. Use in electrical heaters, Cooking infared cameras. Can Cause burns. and Sources - Huma

View

Advanced Thermal Emission Studies

The third page presents an alternative experimental method using a Leslie cube to study infrared radiation emission from different surface types.

Vocabulary: Leslie cube - A device used to demonstrate how different surface properties affect thermal radiation.

Example: The experiment compares radiation emission from white, shiny black, matt black, and silvered surfaces.

Highlight: The methodology emphasizes maintaining consistent water temperature across measurements for accurate comparison.

The procedure involves careful positioning of an infrared detector and systematic measurement of radiation from each surface type, culminating in data visualization through bar graphs.

tofa INFARED RADIATION wavelength. : 740nm to 0.01m. Use in electrical heaters, Cooking infared cameras. Can Cause burns. and Sources - Huma

View

Understanding Infrared Radiation Fundamentals

This section introduces the basic concepts of infrared radiation and its practical applications. The content explores wavelength characteristics and common uses in everyday technology.

Definition: Infrared radiation is electromagnetic radiation with wavelengths ranging from 740nm to 0.01m.

Example: Common applications include electrical heaters, cooking appliances, and infrared cameras.

Highlight: Infrared radiation can be both emitted and absorbed by various sources, including human-made technology and cosmic objects.

Vocabulary: Wavelength - the distance between successive crests or troughs in a wave.

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Subjects

/

Physics

/

Electromagnetic Radiation and Matter

/

Electromagnetic Radiation and Matter

Fun with Infrared: Exploring How Colors and Materials Absorb Heat!

user profile picture

Leah

@leah_urjl

·

0 Follower

Follow

A comprehensive guide exploring infrared radiation effects on materials and practical experiments on infrared absorption, detailing thermal radiation properties and experimental procedures.

  • Infrared radiation spans wavelengths from 740nm to 0.01m, with applications in heating and imaging
  • Both natural and technological sources can emit or absorb infrared radiation
  • Surface properties significantly affect thermal absorption and emission
  • Two detailed practical experiments demonstrate comparing thermal emission by surface color
  • Safety considerations include potential burn risks from infrared sources

3/28/2023

225

 

11

 

Physics

6

tofa INFARED RADIATION wavelength. : 740nm to 0.01m. Use in electrical heaters, Cooking infared cameras. Can Cause burns. and Sources - Huma

Sign up to see the content. It's free!

Access to all documents

Improve your grades

Join milions of students

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Practical Investigation of Surface Properties

The second page details experimental procedures for investigating thermal energy absorption and emission by different surface types. The methodology focuses on comparing dark and shiny surfaces.

Highlight: Dull, matt, and dark surfaces are identified as superior absorbers and emitters of thermal energy.

Example: The experiment uses painted black and shiny metal containers filled with water to compare thermal properties.

Definition: Independent Variable - The factor being changed in the experiment (surface color) Definition: Dependent Variable - The measured outcome (temperature change) Definition: Control Variables - Factors kept constant (water volume, measurement timing, surface area)

The detailed method involves precise temperature measurements of water in differently colored containers over a 10-minute period.

tofa INFARED RADIATION wavelength. : 740nm to 0.01m. Use in electrical heaters, Cooking infared cameras. Can Cause burns. and Sources - Huma

Sign up to see the content. It's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Advanced Thermal Emission Studies

The third page presents an alternative experimental method using a Leslie cube to study infrared radiation emission from different surface types.

Vocabulary: Leslie cube - A device used to demonstrate how different surface properties affect thermal radiation.

Example: The experiment compares radiation emission from white, shiny black, matt black, and silvered surfaces.

Highlight: The methodology emphasizes maintaining consistent water temperature across measurements for accurate comparison.

The procedure involves careful positioning of an infrared detector and systematic measurement of radiation from each surface type, culminating in data visualization through bar graphs.

tofa INFARED RADIATION wavelength. : 740nm to 0.01m. Use in electrical heaters, Cooking infared cameras. Can Cause burns. and Sources - Huma

Sign up to see the content. It's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Understanding Infrared Radiation Fundamentals

This section introduces the basic concepts of infrared radiation and its practical applications. The content explores wavelength characteristics and common uses in everyday technology.

Definition: Infrared radiation is electromagnetic radiation with wavelengths ranging from 740nm to 0.01m.

Example: Common applications include electrical heaters, cooking appliances, and infrared cameras.

Highlight: Infrared radiation can be both emitted and absorbed by various sources, including human-made technology and cosmic objects.

Vocabulary: Wavelength - the distance between successive crests or troughs in a wave.

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Can't find what you're looking for? Explore other subjects.

Knowunity is the # 1 ranked education app in five European countries

Knowunity was a featured story by Apple and has consistently topped the app store charts within the education category in Germany, Italy, Poland, Switzerland and United Kingdom. Join Knowunity today and help millions of students around the world.

Ranked #1 Education App

Download in

Google Play

Download in

App Store

Knowunity is the # 1 ranked education app in five European countries

4.9+

Average App Rating

15 M

Students use Knowunity

#1

In Education App Charts in 12 Countries

950 K+

Students uploaded study notes

Still not sure? Look at what your fellow peers are saying...

iOS User

I love this app so much [...] I recommend Knowunity to everyone!!! I went from a C to an A with it :D

Stefan S, iOS User

The application is very simple and well designed. So far I have found what I was looking for :D

SuSSan, iOS User

Love this App ❤️, I use it basically all the time whenever I'm studying