You are building a compound microscope with an objective lens of focal length 0.60 cm and an eyepiece lens of focal length 5.0 cm. You mount the lenses 18 cm apart. What is the maximum magnification of your microscope?
a. 5
b. 10
c. 75
d. 150
e. 18
d
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Which of the following has the most kinetic energy?
A) a 4-ton truck moving 20 km/hr B) a 3-ton truck moving 30 km/hr C) a 2-ton truck moving 40 km/hr D) a 1-ton truck moving 50 km/hr E) A, B, C, and D all have the same kinetic energy.
How would you describe the distribution of galaxies in your Local Group?
A.) They just look randomly distributed. B.) There are the two big galaxies, and then the dwarfs seem to be clustered around them. C.) The big galaxies are together at the center and the dwarfs are in a big circle around them. D.) The dwarfs are in the center clustered together and the two big galaxies are off to the side. E.) The two larger galaxies are on one side of the group and all the dwarfs are on the other side.
Which one of the diagrams below is not a possible electric field configuration for a region of space which does not contain any charges?
a.
b.
c.
Robert Koch's contribution was
What will be an ideal response?