Physics 1B
Thermal Physics & Electromagnetism
H. E. Smith Fall 2002
Physics 1B - Reading Quiz #1
In a mixture of oxygen and hydrogen gas in thermal equilibrium we would expect that
A. the hydrogen molecules will be moving faster than the oxygen molecules.
B. the kinetic energy of the hydrogen molecules will be greater than the KE of the oxygen molecules.
C. the oxygen molecules will be moving faster than the hydrogen molecules.
D. the kinetic energy of the oxygen molecules will be greater than the KE of the hydrogen molecules.
E. the speeds of the oxygen and hydrogen molecules will be the same.
A flat metal disk has a hole in the center. As the disk is heated
A. the diameter of the disk will increase and the diameter of the hole will decrease.
B. the diameter of the disk will increase and the diameter of the hole will increase.
C. the diameter of the disk will decrease and the diameter of the hole will decrease.
D. the diameter of the disk will decrease and the diameter of the hole will increase.
E. nothing.
