Question

Which statement is true about the part of the electromagnetic spectrum that is visible to the human eye?

It is divided into seven ranges of wavelengths.

It is made up of three types of electromagnetic waves.

It is divided into nine ranges of wavelengths.

It is made up of two types of electromagnetic waves.

Answer 1

The answer is A.

Hope this helps! :)

Answer 2

The electromagnetic spectrum is divided into seven ranges of wavelengths.
The answer to your question is A.