Refraction of light and wavelength

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SUMMARY

The discussion focuses on the refraction of light with a wavelength of 680 nm as it transitions from air into water at an angle of 40 degrees. The angle of refraction can be calculated using Snell's Law, which states that n1 * sin(θ1) = n2 * sin(θ2). The wavelength of light in water can be determined using the relationship between wavelength and frequency, noting that the frequency remains constant during refraction.

PREREQUISITES
  • Understanding of Snell's Law for refraction
  • Knowledge of the relationship between wavelength, frequency, and speed of light
  • Familiarity with the concept of refractive indices
  • Basic principles of optics
NEXT STEPS
  • Learn how to apply Snell's Law in various mediums
  • Research the concept of refractive index for different materials
  • Study the relationship between wavelength and frequency in electromagnetic waves
  • Explore practical applications of light refraction in optics
USEFUL FOR

Students studying physics, optical engineers, and anyone interested in the principles of light behavior in different mediums.

siobhanbree
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Light of wavelength 680 nm in air enters water making an angle of 40 degrees with the normal. Find the angle of refraction and the wavelength of light in water.

I found the angle of refraction, but I don't know how to calculate the wavelength with this information.
 
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welcome to pf!

hi siobhanbree! welcome to pf! :smile:

hint: does the frequency change? what is the relation between wavelength and frequency? :wink:
 

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