Question: Exercises 1 . In practice the incident beam is usually not monochromatic, but composed of radiations of different wavelengths. What is the one specific direction

Exercises
1. In practice the incident beam is usually not monochromatic, but composed of radiations of
different wavelengths. What is the one specific direction in which maxima of all the
radiations in the incident beam will be superimposed? Why?
2. Show by means of the equations that a complete spectrum of the incident radiation is
formed for each value of m except zero.
3. What does overlapping orders mean?
4. What are the advantages and disadvantages of observing spectra in high orders?

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