Las opciones que sean un riesgo para el cambio de temperatura en el cuerpo humano

Ared apple is illuminated by a blue light the apple will appear

An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam of unpolarized light of intensity 10w/m^2. after passing through the polarizer, what is the intensity of the beam? a. 8.7 w/m^2 b. 7.5 w/m^2 c. 5.0 w/m^2 d. 10 w/m^2 e. 2.5 w/m^2

What’s #16 asking me and how do i solve it?