Question

What happens to the frequency and the speed of an

electromagnetic wave as it passes from air into glass?
a
b
C
d
The frequency decreases and the speed
increases.
The frequency increases and the speed
decreases.
The frequency remains the same and the speed
increases.
The frequency remains the same and the speed
decreases.

Answer 1

As an electromagnetic wave passes from air into glass, its frequency remains the same but its speed decreases.

Step-by-step explanation:

When an electromagnetic wave passes from air into glass, its frequency remains the same but its speed decreases.

Learn more about the behavior of electromagnetic waves