From the attached graphic:
e = c*h/wavelength therefore,
wavelength = c*h / e
wavelength = 299,792,458 * 6.62606957e-34 / 3.38x10^-19
wavelength = 5.8771e-7 meters
Answer:

Step-by-step explanation:

Answer:
Y-intercept
Step-by-step explanation:
The y-intercept is the part of the line that crosses the y-axis.
The red dot (where the arrow is pointing to) is the y intercept
The opposite of -1/2 is 1/2. If you put -1/2 in absolute value, then the answer is 1/2.
Attached below is a step by step process of arriving at the answer.