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

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L

Leah

28/03/2023

Physics

infrared Radiation Required Practicals

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

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
...

28/03/2023

233

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

View

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.

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Physics

233

28 Mar 2023

3 pages

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

L

Leah

@leah_urjl

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... Show more
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

Sign up to see the contentIt'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 contentIt'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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Paul T

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The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan S

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This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha Klich

Android user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

Anna

iOS user

Best app on earth! no words because it’s too good

Thomas R

iOS user

Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.

Basil

Android user

This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

Android user

In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.

Greenlight Bonnie

Android user

very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.

Rohan U

Android user

I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.

Xander S

iOS user

THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮

Elisha

iOS user

This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now

Paul T

iOS user