JEE Main 2018 Physics question

Unpolarized light of intensity I passes through an ideal polarizer A. Another identical polarizer B is placed behind A. The intensity of light beyond B is found to be . Now another identical polarizer C is placed between A and B. The intensity beyond B is now found to be . The angle between polarizer A and C is

• (A)0°
• (B)30°
• (C)45°Correct
• (D)60°