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Questions and Answers
What is brightness a qualitative expression of?
What is brightness a qualitative expression of?
- Light perception
- Light wavelength
- Light intensity (correct)
- Luminous intensity
What is the unit used to measure luminous intensity?
What is the unit used to measure luminous intensity?
- Lux
- Candela (correct)
- Lumen
- Watt
How does the intensity of light change based on distance from the source?
How does the intensity of light change based on distance from the source?
- Increases as you get closer (correct)
- Remains constant regardless of distance
- Depends on the color of the light
- Decreases as you get closer
Which light wave property is related to the brightness or intensity of light?
Which light wave property is related to the brightness or intensity of light?
Which color of visible light has the longest wavelength?
Which color of visible light has the longest wavelength?
What does the color white represent in terms of visible light?
What does the color white represent in terms of visible light?
What is the speed of visible light?
What is the speed of visible light?
Which type of frequency electromagnetic wave is visible to the human eye?
Which type of frequency electromagnetic wave is visible to the human eye?
What is the phenomenon in which a prism separates white light into component colors called?
What is the phenomenon in which a prism separates white light into component colors called?
Which of the following is NOT a component color of white light?
Which of the following is NOT a component color of white light?
What is the science of measuring the intensity or brightness of light called?
What is the science of measuring the intensity or brightness of light called?
Which type of wave does not require a medium in order to propagate?
Which type of wave does not require a medium in order to propagate?
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