Physics

Physics

Problem

An interchangeable-lens camera has its image sensor fixed 4.0 cm behind the lens mount. To bring very distant mountains into sharp focus, which focal length lens should the photographer select? a) 6.0 cm6.0\ \text{cm} b) 2.0 cm2.0\ \text{cm} c) 4.0 cm4.0\ \text{cm} d) 3.0 cm3.0\ \text{cm}

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