Which of the following is/are true about light?
(i) In the ray approximation, light travels in a straight lineunless it encounters an obstacle or new medium.
(ii) Light's electric field oscillates in a directionperpendicular to its direction of travel.
(iii) Light's magnetic field oscillates in a directionparallel to its direction of travel.
Please show all work including how you planned for the problem,did the problem, and a potential way to check! Thank you somuch!
