Question

In, the case of linearly polarized light the magnitude of electric field vector

• A. vary periodically with time
• B. increases and decreases linearly with time
• C. does not change with time
• D. is parallels to the direction of propagation

Answer 1

The correct option is A vary periodically with time

In general equation for electric field vector for linearly polarized light is given as $\left|\overrightarrow{E}\right|=E_o\sin (\omega t-kx)$ which indicate that its varies periodically with respect to time.

Such that it is perpendicular to the direction of propagation