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Two lenses,the first with focal length -12.5 cm and the second with focal length 20.0 cm,are separated by 15.0 cm.If an object is place 50.0 cm in front of the first lens,what is the total magnification?
PET Scans
Positron Emission Tomography scans; a non-invasive imaging technology that helps visualize and measure body functions, including blood flow, oxygen use, and glucose metabolism.
Narcolepsy
A chronic sleep disorder characterized by overwhelming daytime drowsiness and sudden attacks of sleep, often linked to genetic factors and abnormalities in REM sleep.
Collapses
Structural failures or breakdowns, often sudden, caused by stress exceeding the material's strength or by foundational weaknesses.
Dreams
Sequences of thoughts, images, and sensations occurring in a person's mind during sleep, often reflecting unconscious desires and experiences.
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