Question 3
1 pts
Laser light of wavelength 600 nm travels through vacuum in the +z direction, and at the
initial time the magnetic field of this wave points in the ____ direction at point P. At ____ x
10-15 seconds after the initial time, the electric field at P point in which direction?
+y, 1
[Choose]
+y, 2
-X
+x, 1
[Choose]
+x, 2
[Choose]