Question 17 (2 points) Listen An object is 20 cm in front of a converging lens whose focal length is 40 cm. The image is
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Question 17 (2 points) Listen An object is 20 cm in front of a converging lens whose focal length is 40 cm. The image is
Question 17 (2 points) Listen An object is 20 cm in front of a converging lens whose focal length is 40 cm. The image is real and inverted virtual and inverted. real and upright virtual and upright.
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