Imagine you are standing on one side of a wall and their is a light source on the other side. Which BEST describes why the light would become brighter as you approached the open door in the wall? PLZ HELP

Absorption
Refraction
Reflection

Charge is distributed along the entire x-axis with uniform density λ. how much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y = a to y = b? (use the following as necessary: a, b, ε0, λ, and q for the charge on an electron.)