The potential difference between two square parallel plates is 4.00 V. If the plate separation is 6.00 cm and they each measure 1.5 m by 1.5 m, what is the magnitude of the electric field between the plates?
What will be an ideal response?
Question 2
When a beam of light that is traveling in air is reflected by a glass surface, there is
A) a 180 phase change in the reflected beam.
B) a 45 phase change in the reflected beam.
C) a 60 phase change in the reflected beam.
D) no phase change in the reflected beam.
E) a 90 phase change in the reflected beam.