Thank you very much for your reply. I am attaching below two pictures. The top picture shows the spectrum produced on a screen by a prism when white light is incident on its first face. Spectrum produced on the screen has distinct widths of various colors from red to blue. I want to know how we...
How to calculate the width of spectrum produced by a dispersive prism of a given apex angle and refractive index, of white light of given width incident on first face of prism?
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I have constructing a Michelson Interferometer using sodium light. For viewing the fringes, I have used spectrometer telescope with objective lens of 178mm focal length, 35mm dia and eyepiece 15X. I can see the localized fringes when I view through the objective glass but without...