Author Question: Quarks can only have a charge of +(2/3)e or -(1/3)e, while antiquarks can only have charges of ... (Read 113 times)

jCorn1234 · **on:** Jul 29, 2018

Quarks can only have a charge of +(2/3)e or -(1/3)e, while antiquarks can only have charges of -(2/3)e or +(1/3)e.

Indicate whether the statement is true or false

Question 2

If the wave function for a free electron is given by = A sin kx + B cos kx, and the electron has a kinetic energy of 9.0 eV, what is the value for k?

A)

2.5 x 109 m-1
B)

1.0 x 1010 m-1
C)

1.5 x 1010 m-1
D)

4.5 x 1016 m-1
E)

9.7 x 1017 m-1