Diffraction – Page 2 – Rankers Physics
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Diffraction

Question 1:

The first diffraction minimum due to a single slit diffraction is at θ = 30° for a light of wavelength 5000Å. The width of the slit is :-

\[5\times 10^{-5} cm\]
\[1.0\times 10^{-4} cm\]
\[2.5\times 10^{-5} cm\]
\[1.25\times 10^{-5} cm\]
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