Answer:
B) One projector has a vertical polarizer and the other has a horizontal polarizer.
Step-by-step explanation:
In 3D movies the picture received by the observer is always formed by two different glasses.
One of the glass will form the image in horizontal plane while other glass will form image in vertical plane
When these two images are overlapped on the person mind then it will give and idea of height , width and depth.
So this type of image formation is known as 3 D image formation
so here correct answer will be
B) One projector has a vertical polarizer and the other has a horizontal polarizer.