Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Waves Interference of Waves
Through which mode of wave propagation, are the radio waves sent from one place to another?
1
ground wave propagation
2
sky wave propagation
3
space wave propagation
4
More than one of the above
5
None of the above