question_answer

A beam of plane polarized light falls normally on a polarizer of cross sectional area\[3\times {{10}^{-4}}{{m}^{2}}\]. Flux of energy of incident ray in\[{{10}^{-3}}W\]. The polarizer rotates with an angular frequency of 31.4 rad/s. The energy of light passing through the polarizer per revolution is\[{{10}^{n}}J\]. Find value of n.

Answer:

-4.00