Exp-1 To determine the wave length of monochromatic light (using sodium light source or He- Ne laser).
Principle and Working :
When a coherent light beam enters into beam splitter, it is divided into two parts, thus two beams travel in different directions, are reflected into each other through two mirrors forming interference patterns when they are combined and superimposed. In the present setup, measuring the wavelength of sodium light or He-Ne laser, using an equation: λ=2.D/n
where, D is the total displacement whereas n is the number of intensity maxima counted.
|Cat No.||Item Name||SK002||SK025|
|SL930||Sodium light source||1|
|CD556||Microscope objective with holder||1|