3- A Laser Beam Operating At 580 Nm With A Spot Size Of 2 Mm And Optical Power Of 10mw.
A) Find Maximum Irradiance Of The Beam,
B) The Rayleigh Range And The Beam Width At 35 Meters.

4-Find The Lateral Displacement Where The Incident Angle 60 Degree, With The Medium Refractive Index
N=1.8 With The Length Of 18 Mm, Use Air For Other Medium (N0)