Multiple Choice
The uncertainty principle states that
A) only momentum and velocity can be described with unlimited precision.
B) the displacement of a particle can be described with unlimited precision by using quantum mechanics.
C) nothing is smaller than Planck's constant.
D) the momentum and displacement cannot be measured simultaneously with unlimited accuracy.
E) either the momentum or the velocity,but not both,can be measured with unlimited accuracy.
Correct Answer:

Verified
Correct Answer:
Verified
Q24: A proton is in a one-dimensional
Q25: Use the following figure to answer
Q26: Suppose an electron is confined in
Q27: If the frequency of light causing photoemission
Q28: A classical point particle moves back and
Q30: An electron is in a one-dimensional box
Q31: Use the following figure for the
Q32: In Compton scattering of X rays by
Q33: Photon A has twice the energy of
Q34: The speed of an electron whose