A compound microscope has a 18-cm-long barrel and an objective lens with a focal length of 8.0 mm.
What is the focal length of the eyepiece to give a total magnification of 240? It is adjusted for minimum eyestrain for persons with a near point of 25 cm. A) 1.3 m
B) 1.5 cm
C) 1.9 cm
D) 2.1 cm
E) 2.3 cm
Question 2
If you stand in front of a convex mirror, at the same distance from it as its radius of curvature,
A) you will see your image and it will be the same size as you except upside down.
B) you won't see your image because it is focused at infinity.
C) you will see your image and you will appear larger than you.
D) you will see your image and you will appear smaller than you.
E) you won't see your image because there is none.
Confocal Microscope
On November 11, 1887, four anarchists were hanged in Chicago on charges that they had thrown a bomb
Using and Cleaning the Microscope
Using and Cleaning the Microscope
A port fuel-injected engine that is equipped with long, tuned intake-manifold runners.
An aluminum wire has a length of 27.0 m and a resistance of 2.90 n at 20.00C. As