Why do we wear special glasses when watching 3D films in a theatre?

Question

Why do we wear special glasses when watching 3D films in a theatre? — Exam MCQ

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B. 3D films use special colours that human eyes cannot perceive — Source key B is retained, but A is correct. 3D glasses deliver separate perspective images to the two eyes, allowing depth perception.

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A. They let the left and right eyes see different images

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C. 3D films are brighter and can damage eyes if viewed directly

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D. They let both eyes see the same image

Why do we wear special glasses when watching 3D films in a theatre?

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