Multiple Choice
A proton in a cyclotron has a velocity of 2 * 108 m/s, which is nearly the speed of light. The uncertainty in the velocity is 1%. What is the minimum uncertainty in the position of the proton in meters? The proton mass is 2 *10-27 kg.
A) 3 *10-11 m
B) 1 * 10-22 m
C) 1 *10-18 m
D) 3 *10-41 m
E) 1 *10-17 m
Correct Answer:

Verified
Correct Answer:
Verified
Q18: How many electrons can be in the
Q19: What color will a red object appear
Q20: Which of the following atoms or ions
Q21: Which prediction regarding the formation of a
Q22: Which transition in a hydrogen atom will
Q26: Down a column in the periodic
Q27: Which statement about the quantum numbers
Q28: The work function of sodium is <img
Q127: The studies of light emitted by hot
Q138: Identify which element, potassium or bromine, has