If both 30-GeV electrons and 30-GeV protons are used to probe the nucleus, which has the shorter wavelength?
A)
They are the same.
B)
the electrons
C)
the protons
D)
It depends on the nucleus probed.
E)
They are never the same.
C
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Seyfert galaxies
a. are more common in close pairs of galaxies than in isolated systems. b. emit more energy at X-ray, ultraviolet, infrared, or radio wavelengths than normal spiral galaxies. c. generally show red shifts greater than 6. d. a and b e. a, b and c
The amount of oxygen in Earth's atmosphere has gradually grown over the last few billion years.
Answer the following statement true (T) or false (F)
What forces are included in a free-body diagram for an object? a. The forces acting on the object and the forces the object exerts on any other objects it is in contact with. b. The forces acting on the object and the forces the object exerts on all other objects in the system
c. Only the forces acting on the object. d. Only forces internal to the object.
You have available a galvanometer that gives a full-scale deflection for a 333-?A current and has a coil resistance of 33 ?
(a) What shunt resistance is needed to convert this galvanometer to a 5.0-A ammeter? (b) What series resistance is needed to convert this galvanometer to a 5.0-V voltmeter?