If the movable mirror in a Michelson interferometer is moved 120 microns, how many fringes would be counted for 600 nm light?
A)
200
B)
720
C)
100
D)
300
E)
400
E
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An interaction between a large and a small elliptical galaxy that results in a large spiral and a small elliptical galaxy takes:
A) several thousand years. B) several hundred thousand years. C) several million years. D) several hundred million years. E) several billion years.
In the diagram below, draw the transition that would emit a photon with the shortest wavelength
What will be an ideal response?
The central part of Earth's core consists of iron-rich liquid.
Answer the following statement true (T) or false (F)
Suppose we could magically triple the distance between Earth and the moon. This would cause the gravitational force by Earth on the moon to be
A) increased to three times its former value. B) be unchanged. C) reduced to 1/4 of its former value. D) reduced to 1/3 of its former value. E) reduced to 1/9 of its former value.