Two polaroid are crossed. If now one of them is rotated through 30 ̊and unpolarised light of intensity I₀ is incident on the first polaroid, then the intensity of transmitted light will be:

$$\frac{{I_0}}{{4}}$$

$$\frac{{I_0}}{{4}}$$

0%

$$\frac{{3I_0}}{{4}}$$

$$\frac{{3I_0}}{{4}}$$

50%

$$\frac{{3I_0}}{{8}}$$

$$\frac{{3I_0}}{{8}}$$

0%

$$\frac{{I_0}}{{8}}$$

$$\frac{{I_0}}{{8}}$$

50%