Answer to Question #291685 in Optics for SelMel

Question #291685

The antique projector has a 35 mm wide image at the center of the condenser lens. The focal length of the lens is 10 cm. Specifies the width of the image projected on the screen 10 m away from the projector lens.

Expert's answer

The type of lens used in the projector is a converging lens.

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