Grade 12th PassWave OpticsHow can we define the dispersive power of a prism material? VAMSIKRISHNA NELLI 13 Years agoGrade 12th Pass
Gautham Pai M KApproved Tutor Answer13 Years agoDispersive power is the ratio of angular dispersion to the mean deviation. For example the dispersive powers of red light and violet light are as follows: dv-dr/(dv+dr/2)=nv-nr/(nv+nr/2)-1