1. Which of the following is true about radio waves?

A. Radio waves has the longest wavelength among the EM waves in the EM spectrum
B. Radio waves has the greatest frequency in the EM spectrum
C. Radio waves has shorter wavelengths than microwaves
D. Radio waves has more energy than infrared.


2. What characteristic does visible light has that differentiates it from other EM waves?

A. Visible light lies at the middle of the EM spectrum
B. Visible light carries the highest amount of energy than any type in the EM spectrum
C. Visible light has wavelengths that is sensitive to the eyes
D. Visible light is produced from the interaction of electric and magnetic field​