A particle that interacts via the strong force is a(n)
a. lepton.
b. baryon.
c. meson.
d. intermediate (or gauge) boson.
e. hadron.
b, c, e
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The corona is heated by magnetic carpets
a. True b. False Indicate whether the statement is true or false
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
The Kelvin temperature of an ideal gas is doubled and the volume is halved. How is the pressure affected?
A. increases by a factor of 2 B. increases by a factor of 4 C. stays the same D. decreases by a factor of 2 E. decreases by a factor of 4
A large, metallic, spherical shell has no net charge. It is supported on an insulating stand and has a small hole at the top. A small tack with charge Q is lowered on a silk thread through the hole into the interior of the shell. The tack is now allowed to touch the interior surface of the shell. After this contact, what is the charge on the tack?
1.Q 2.Q/2 3.0 4.-Q/2 5.-Q