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.
Variation in shape and length of nerve cells.
A young Lipizzan at the Spanish Riding School in training equipment, wearing saddle, bridle and long
Seven black members of Congress in 1871 are from left to right: Senator Hiram Revels (R-MS) and Repr
Using and Cleaning the Microscope
Rapid, long-distance signaling in plants
Long bone formation