How many types of waves are in the electromagnetic spectrum?

Question: How many types of waves are in the electromagnetic spectrum?

Options: 

6
7
9
8

Correct answer:

7

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>