Will a blackbody at temperature T emit more photons per second with energy 0.5 kBT or with energy 1.5 kBT?
A. It will emit more photons with the lower energy.
B. It will emit more photons with the higher energy.
C. The number of photons emitted will be the same.
D. One has no way of telling.
B. It will emit more photons with the higher energy.
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For electric current in the home, your power company supplies
A) energy. B) electrons. C) both of these D) neither of these
Suppose that a car traveling to the East (+x direction) begins to slow down as it approaches a traffic light. Make a statement concerning its acceleration
A) The car is decelerating, and its acceleration is positive. B) The car is decelerating, and its acceleration is negative. C) The acceleration is zero. D) The car is accelerating, and its acceleration is positive. E) The car is accelerating, and its acceleration is negative.
Should the tuner on a radio have small or large damping?
What will be an ideal response?
At what temperature would the root-mean-square speed (thermal speed) of oxygen molecules be 13.0 m/s? Assume that oxygen approximates an ideal gas. The mass of one O2 molecule is 5.312 x 10-26 kg. The Boltzmann constant is 1.38 × 10-23 J/K
A) 0.217 K B) 0.0666 K C) 1800 K D) 5410 K