Physics education research, electronic materials, and the musings of Christopher Moore, Ph.D.
Physics education research, electronic materials, and the musings of Christopher Moore, Ph.D.
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a christmas tree light is placed in front of a positive lens of a focal length of 50 cm. the light bulb is 75cm away from the lens. how far from the lens will an image appear? is the image real or virtual?
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Not sure. Your post is incoherent, i'm not given any equations, nor have i ever heard of such a question before... maybe i'm a fool?
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