The length of a box is 10 pm. Draw a standing wave for a particle in this box with three evenly spaced nodes between the ends. What is the wavelength of the particle?
a. 5 pm
b. 4 pm
c. 10 pm
d. 20 pm
e. 6.67 pm
I have no idea how to solve this question, please help!
Many thanks!
is it 20pm?
