If Electromagnetic waves propagate in vacuum medium: I. Electric and magnetic fields oscillate perpendicular to each other. II. Electromagnetic waves require a material medium to propagate. III. Electromagnetic waves carry energy and momentum. Which are correct?

The velocity of electromagnetic waves in vacuum is :

The electromagnetic waves, which are used for satellite communication, are

Which of the following electromagnetic radiations has the maximum energy?

Microwaves are electromagnetic waves having frequencies in range of :

With reference to Visible Light Communication (VLC) technology, which of the following statements are correct? 1. VLC uses electromagnetic spectrum wavelengths 375 to 780 nm. 2. VLC is known as long-…