A diffraction grating has 24000 lines/cm separates a dark line at an angle of
32∘. Calculate the wavelength of light.
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Explanation:
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Diffraction Grating Formula
A diffraction grating is made by making many parallel scratches on the surface of a flat piece of some transparent material. It is possible to put some large number of scratches per cm on the material. For example, the grating to be used has 6,000 lines per cm on it. The scratches are opaque but the areas between the scratches can transmit the light through. Thus, a diffraction grating becomes a multitude for the source with parallel slit, when light falls upon it. In this topic, a student will learn the diffraction grating formula with examples. Let us learn the concept!
Diffraction Grating Formula