Podcast
Questions and Answers
What occurs when white light passes through a glass prism?
What occurs when white light passes through a glass prism?
- It disappears.
- It becomes invisible.
- It remains as white light.
- It splits into the colours of the visible light spectrum. (correct)
What is the process called when light hits the prism?
What is the process called when light hits the prism?
- Refraction (correct)
- Absorption
- Reflection
- Diffraction
What is the goal of creating your own electromagnetic spectrum?
What is the goal of creating your own electromagnetic spectrum?
- To label and explain each part of the spectrum. (correct)
- To learn about the colours of the spectrum.
- To understand the properties of light.
- To create a pretty picture.
What is microwave an example of?
What is microwave an example of?
Why is it important to include images in your electromagnetic spectrum?
Why is it important to include images in your electromagnetic spectrum?
What is the purpose of using previous examples to guide you?
What is the purpose of using previous examples to guide you?
What is the electromagnetic spectrum?
What is the electromagnetic spectrum?
What is the correct order of the electromagnetic spectrum from longest to shortest wavelength?
What is the correct order of the electromagnetic spectrum from longest to shortest wavelength?
What is the term for the process by which light enables us to see?
What is the term for the process by which light enables us to see?
What is the correct sequence of colours in the visible spectrum?
What is the correct sequence of colours in the visible spectrum?
What is dispersion of light?
What is dispersion of light?
What does it mean by Translucent?
What does it mean by Translucent?
What is the purpose of the visible spectrum?
What is the purpose of the visible spectrum?
What occurs when light passes from one medium to another?
What occurs when light passes from one medium to another?
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Study Notes
Electromagnetic Spectrum
- Ranking system of electromagnetic radiation from weakest (longest wavelength) to strongest (shortest wavelength)
- Includes: Radio, Microwaves, Infrared, Visible Light, UV, X-ray, and Gamma Rays
Visible Spectrum
- Small part of the electromagnetic spectrum
- Only visible part of the spectrum
- Consists of ROYGBIV (Red, Orange, Yellow, Green, Blue, Indigo, Violet)
- Enables us to see what is around us
Dispersion of Light
- Occurs when white light passes through a glass prism and splits into the colors of the visible light spectrum
- Light hits the prism and refracts (bends)
Key Points about Light
- Transparent: All light passes through
- Translucent: Some light passes through
- Opaque: No light passes through
Refraction and Reflection
- Refraction: Process of light bending through a medium
- Mirrors reflect, not refract light
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