Which best describes what happens to sunlight after it passes through the keyhole of a door?

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?

What is the role of lenses in microscopy?

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=