1.What happens when light waves travel from air through a denser medium?

Question

a
They will slow down and bend.
b
They continue to travel in a straight line.
c
They continue to travel in a zigzag line.
d
They will speed up and bend.

2. A television remote control is used to direct pulses of electromagnetic radiation to a receiver on a television. What does this communication between the remote control and the television illustrate about electromagnetic radiation?
a
It possesses energy inversely proportional to its frequency.
b
It is a longitudinal wave.
c
It transfers energy without transferring mass.
d
It diffracts and accelerates in air.

Answer 1

c
It transfers energy without transferring mass.