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Why does a movie projector have a convex lens?

Only convex lenses can generate real images, which can be projected.
Only flat lenses can generate real images, which can be projected.
Only convex lenses can generate virtual images, which can be projected.

User Ultranuke
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1 Answer

1 vote

Answer:

Only convex lenses can generate real images, which can be projected.

Step-by-step explanation:

User Wrichik Basu
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