1. In diffraction grating does L change with line spacing. How are they related?
2. What happens to fringe spacing when line spacing is increased in diffraction grating.? Why?
3. Is it right to estimate the average value of L in the case of each line spacing in diffraction grating ? Why?
1. In diffraction grating does L change with line spacing. How are they related? 2. What happens to fringe spacing when
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