In an atom, electrons can have only specific, allowed orbital energies
Indicate whether the statement is true or false
TRUE
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At a distance D from a very long (essentially infinite) uniform line of charge, the electric field strength is 1000 N/C. At what distance from the line will the field strength to be 2000 N/C?
A) 2D B) D C) D/ D) D/2 E) D/4
What happens to the frequency of the scattered X-rays as the scattering angle in the Compton effect decreases?
A) It stays the same. B) It decreases. C) It increases. D) Not enough information
In an MRI medical imaging apparatus, the patient is subject to what kind of "radiation"?
A) gamma rays B) X-rays C) radio D) alpha radiation E) beta rays
If Earth's mass were suddenly and magically reduced to half its present value, the magnitude of Earth's acceleration about the Sun would
A. be reduced by a factor of 4. B. be reduced by a factor of 2. C. remain the same. D. increase by a factor of 2.