optical path..

1)can u xplain what exactly is optical path?

4 Answers

say in a medium of refractive index Î¼ a ray of light travels x disp. in t time
so, t=x/v

in air in same time interval t it travels =c*t
=Î¼v*x/v
=Î¼x

this is the optical path (Î¼x)

.... i hpe itz clear nw?

thanx bhaiya...., plz

thanx bhaiya....,

or simply the distance travelled in vacum is Î¼D and wavelength is Î»d

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