11 grade physics others
Which colour of the light has the longest wavelength?
- A. Red
- B. Blue
- C. Green
- D. Violet
Which colour of the light has the longest wavelength?
- A. Red
- B. Blue
- C. Green
- D. Violet
1 Answer
Askiitians Tutor Team
Approved Tutor Answer11 Months agoThe color of light with the longest wavelength is Red. In the visible spectrum, red light has wavelengths ranging from about 620 to 750 nanometers, making it the color with the longest wavelength compared to blue, green, and violet light.
Understanding Light Wavelengths
Light is made up of different colors, each with its own wavelength. Here’s a quick breakdown:
- Red: Longest wavelength (620-750 nm)
- Green: Medium wavelength (495-570 nm)
- Blue: Shorter wavelength (450-495 nm)
- Violet: Shortest wavelength (380-450 nm)
Why Wavelength Matters
The wavelength of light affects how we perceive color and how light interacts with materials. Longer wavelengths, like red, are less energetic than shorter wavelengths, such as violet.
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