A radio station broadcasts at 800 kHz. If the radio waves (em-waves) travel with a speed of 3x10^8 m/s, what will be the wavelength of the wave?
If you are walking on the moon surface, can you hear the cracking sound behind you? Explain.
Frequency is most fundamental property of wave. Why?
What is the difference between the progressive wave and the stationary wave?
Can longitudional waves be polarized? Explain.
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