defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Physics Electromagnetic Waves The Traveling Electromagnetic Wave
Which of the following statements is false regarding propagation of electromagnetic waves in atmosphere?
1
Ground waves are those electromagnetic waves which travel from transmitter to receiver across the Earth's surface. They suffer energy losses due to bending.
2
Sky waves are those electromagnetic waves which travel through reflection from the ionospheric layer from transmitter to receiver.
3
Space waves travel directly from transmitter to receiver.
4
Electromagnetic waves are longitudinal in nature.