A horizontal beam of vertically polarized light of intensity `43 W//m^(2)` is sent through two polarizing sheets. The polarizing direaction of the first is `60^(@)` to the vertical, and that of the second is horizontal. The intensity of the light transmitted b y the pair of sheets is (nearly)

Options

A. `8.1 W//m^(2)`
B. `7.3 W//m^(2)`
C. `6.4 W//m^(2)`
D. `3.8 W//m^(2)`

Answer

A

Explanation

`I_(2)= (I_(0))/(2)cos^(2)theta`