Electromagnetic waves are generated through frequency oscillations which usually involve a coil of wire or in an extension such as a transmitting antenna. Lasers are light, formed in a coherent beam and generally don't exhibit electromagnetic waves.
Sound waves and electrmagnetic waves go through the atmosphere, to name two.
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Surface waves travel slower than body waves.
There is not any difference between tidal waves and tsunamis, except for that cyclones are high waves accompanied with heavy rain wheras tsunamis are only waves.
sound are longitudinal waves while water waves are transverse waves
Winston E. Kock has written: 'Radar, sonar, and holography' 'Sound waves and light waves' -- subject(s): Light, Sound waves, Sound-waves 'Engineering applications of lasers and holography' -- subject(s): Holography, Lasers
Difference is in their frequency, audible sound waves is between 12 Hz and 20,000 Hz, Ultrasound waves is any sound that has a frequency beyond the 20,000 Hz limit
False. The closer you are to the epicentre, the smaller the time difference between the arrival of P and S-waves.
Conventional lasers do not emit gamma radiation. Lasers use electromagnetic waves in the visible spectrum; this is light that you can actually see. Gamma rays are electromagnetic waves with much more energy and much higher frequency than visible light.
Surface waves travel slower than body waves.
The phase difference between two waves is directly proportional to the path difference between them. The phase difference is a measure of how much the wave has shifted along its oscillation cycle, while the path difference is a measure of the spatial separation between two points where the waves are evaluated.
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