Author Question: How many unique quantum states correspond to the lowest possible energy level of an electron in the ... (Read 30 times)

Zulu123 · **on:** Jul 29, 2018

How many unique quantum states correspond to the lowest possible energy level of an electron in the hydrogen atom?

A) 3
B) 0
C) 1
D) 4
E) 2

Question 2

Consider two copper wires of equal cross-sectional area. One wire has 3 times the length of the other. How do the resistances of these two wires compare?

A) Both wires have the same resistance.
B) The longer wire has 1/3 the resistance of the shorter wire.
C) The longer wire has 3 times the resistance of the shorter wire.
D) The longer wire has 9 times times the resistance of the shorter wire.
E) The longer wire has 27 times times the resistance of the shorter wire.