Each type of electromagnetic radiation is spread over a specific range of wavelengths (and frequencies). The visible region ranges from

Options

A. `500nm` to `800 nm`
B. `400 nm` to `750 nm`
C. `400 nm` to `700 nm`
D. `500 nm` to `850 nm`

Answer

C

Explanation

It ranges from violet `(400 nm)` to red `(700nm)`.