What is the frequency of blue light?
Understand the Problem
The question is asking about the specific frequency associated with blue light, which can be determined by its position in the electromagnetic spectrum.
Answer
666 terahertz
The frequency of blue light is about 6.66 x 10^14 Hz (666 terahertz).
Answer for screen readers
The frequency of blue light is about 6.66 x 10^14 Hz (666 terahertz).
More Information
Blue light covers a wavelength range of 450 to 495 nm, and its high frequency is why it carries more energy per photon.
Tips
A common mistake is confusing the wavelength range with the frequency range when specifying characteristics of light.
Sources
- The visible spectrum - britannica.com
- Blue Light Facts: Is Blue Light Bad For Your Eyes? - allaboutvision.com
- Wavelength of Blue and Red Light | Center for Science Education - scied.ucar.edu