A water-filled paper cup held in a flame will not catch fire. This is because
A) the inside of the paper is wet.
B) water is an excellent conductor of heat.
C) paper is a poor conductor of heat.
D) the paper cup cannot become appreciably hotter than the water it contains.
Answer: D
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Suppose that the energy difference between adjacent energy levels for an oscillator in an Einstein solid is ? = 0.005 eV. We would expect the average energy of this oscillator when it is in contact with a reservoir at room temperature to be
A. negligible.
B. smaller than 
kBT.
C. about equal to kBT.
D. about equal to kBT.
E. significantly larger than kBT.
F. One doesn’t have enough information to tell.
Blowing gently across the top of a soda pop bottle gives you a musical note at a certain fundamental frequency. This is most similar to
A. making a guitar string resonate at its fundamental. B. a wind chime. C. an organ pipe. D. a telephone.
No spacecraft has landed on a Jovian planet moon
Indicate whether the statement is true or false
The amount of energy equivalent to two kilogram of mass at rest is
A) 18 × 1016 J. B) 9.0 × 1016 J. C) 3.0 × 108 J. D) 6.0 × 108 J. E) none of the given answers