Suppose that the temperature T is about TE/9 for a certain Einstein solid. The probability that an oscillator in that solid will have one unit of energy is closest to
A. 1
B. 1/9
C. 1/81
D. 1/8000
E. 1/109
D. 1/8000
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If a force is applied perpendicular to a reinforcing phase in the shape of slabs in a composite material, we can assume that the _________is equal in the alternating slabs of material.
Fill in the blank(s) with the appropriate word(s).
The primary mirrors of most radio telescopes is similar to the primary mirror of a reflecting optical telescope in that
a. they are both concave in shape. b. they are both convex in shape. c. they are typically the same size. d. they are both made of metal. e. they have nothing in common.
How many powers of ten separate the diameter of the Solar System and the diameter of the Milky Way Galaxy?
A: 10. B: 8. C: 6. D: 4. E: 12.
If the electric flux through a closed surface is zero, the electric field at points on that surface must be zero
A) True B) False