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Physics diffraction - find the wavelength?
Green light passes through a double slit for which d = 0.22 mm and it falls on a screen 2.01 m away. The first-order image is at 0.50 cm. What is the wavelength of the light?
The answer should be in nm.
1 Answer
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- Anonymous1 decade agoFavorite Answer
λ = x . d / L = 5 . 10^–3 . 2.2 . 10^–4 / 2.01 = 5.47 . 10^–7 ( 547 nm )
Source(s): Old Teacher
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