A5.4 mw laser beam has its electric field vertical. if it passes through a polarizer with its transmission axis at 60 degree to the vertical, what's the power of the transmitted beam?
2. polarized light passes through a polarizer, and 70 % gets through. find the angle between the light's electric field and the polarizer's transmission axis.

power 1.35 mw

ANGLE IS 33.27 degree

Explanation:

from Malus law we have following relation

we know that

power = intensity * area

  = 0.0054*0.25

 = 1.35 mw

2

=

= 33.27 degrees

the working equation for the angular size is the product of the physical size and 360 degrees divided by the product of two pi and distance from earth. the minimum size would be 0.559 degrees while the maximum size would be 0.49 degrees.