Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

What's the difference between red and blue?

1 Answer
ANSWER

The difference between red and blue is the wavelength of the light. Red light has a wavelength of approximately 700 nanometers, and blue is around 475 nanometers. Depending on the specific shade, the wavelength will vary.

{{ relativeTimeResolver(1665663416445) }}
LIVE
Points points 172
Rating

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE

Blog Help Center Conditions of Use Privacy Notice

© 2010 - 2022, Amazon.com, inc. or its affiliates. All Rights Reserved.