CUET Preparation Today
From a single slit, first diffraction minima is obtained at 30º for a light of 6500 Aº wavelength. Then what will be the width of the slit? |
3250 Aº 1.3 μm 5.4 X \( { 10}^{-4 } \) 1.2 X \( { 10}^{-2 } \) |
1.3 μm |
Use : θ = λ/w w is the width. |
