The objective and the eyepiece of a microscope have focal lengths of 4.00 mm and 25.0 mm, respectively. The objective produces a real image 30 times the size of the object
The final image is viewed at infinity, and the near point of the microscope user is at 25.0 cm. What is the distance between the object and the focal point of the objective?
A) 0.13 mm
B) 0.18 mm
C) 0.23 mm
D) 0.28 mm
E) 0.33 mm
A
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Star A and star B have the same temperature, but star A is 5 times bigger than star B. Which statement below is correct?
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According to the reanalysis of the Apollo seismic data in 2011, what is the structure of the lunar interior?
What will be an ideal response?
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