The kinetic theory of gases suggests the average kinetic energy per molecule is (for a monatomic gas)
A) 1/2 kT.
B) 5/2 kT.
C) 3/2 kT.
D) 2 kT.
E) kT.
C
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A wave travels an average distance of one meter in one second with a frequency of 1 hertz. Its amplitude is
A) less than 1 meter. B) 1 meter. C) more than 1 meter. D) need more information
Which one of the following quantities is the smallest unit of thermal energy?
A) calorie B) kilocalorie C) Btu D) joule
What is a diffraction grating?
Coil 1, connected to a 100 W resistor, sits inside coil 2 . Coil 1 is connected to a source of 60 cycle per second AC current. Which statement about coil 2 is correct?
a. No current will be induced in coil 2. b. DC current (current flow in only one direction) will be induced in coil 2. c. AC current (current flow in alternating directions) will be induced in coil 2. d. DC current will be induced in coil 2, but its direction will depend on the initial direction of flow of current in coil 1. e. Both AC and DC current will be induced in coil 2.