Ask Question
28 August, 19:10

Light passes through a pair of narrow slits with a 0.67-mm separation. It is found that the fourth bright fringe makes an angle of 0.19° with the normal. What is the light's wavelength in nanometers? Answer in nanometers

+1
Answers (1)
  1. 28 August, 19:39
    0
    The wavelength of the light is 555 nm.

    Explanation:

    according to Bragg's law ...

    n*λ = d*sin (θ)

    n is the fringe number

    λ is the wavelength of the light

    d is the slit separation

    θ is the angle the light makes with the normal at the fringe.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Light passes through a pair of narrow slits with a 0.67-mm separation. It is found that the fourth bright fringe makes an angle of 0.19° ...” in 📗 Physics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers