Wavelength of any wave = (speed) / (frequency)
Speed of light = 300,000,000 m/sec
Wavelength = 3 x 10 to the 8 / 750 x 10 to the 12 = 4 x 10 to the -7 or 400 nanometers.
Answer:
<em>The statement is true .</em>
Explanation:
<em>I hope this helps.</em>
1. its must be B and 2. must be C