## 1A.3 7th edition

$c=\lambda v$

Riley Dean 2D
Posts: 60
Joined: Fri Sep 28, 2018 12:15 am

### 1A.3 7th edition

what exactly is meant by the extent of the change in the electrical field at a given point?

Carissa Young 1K
Posts: 65
Joined: Fri Sep 28, 2018 12:17 am

### Re: 1A.3 7th edition

The extent of change refers to the slope of the wave; so think about what happens to the amplitude of the waves if frequency(the number of cycles/Hertz per sec) decreases. Does the extent of change (slope of the wave) increase or decrease?