Which of the following best describes the relationship between the speed of light and the type of medium through which it travels? A.
Light travels fastest in solids

B.
Light travels fastest in liquids

C.
The less dense the medium, the slower a light wave travel

D.
The more dense the medium, the slower a light wave will travel

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=