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Name one kind of wave that does not require a medium?
An electromagnetic wave (this includes light) does not require a physical medium - it can travel through empty space.An electromagnetic wave (this includes light) does not require a physical medium - it can travel through empty space.An electromagnetic wave (this includes light) does not require a physical medium - it can travel through empty space.An electromagnetic wave (this includes light) does not require a physical medium - it can travel through empty space.
Is Lew Wallace related to sir William Wallace?
The Wallace family first came to Scotland with a Norman family in the 11th century There are no sept families of Clan Wallace, just Wallace. This is the decision of the current clan chief. Some of the many ways of spelling the name attributed to the family of: Most common Wallace - and second most common: Wallis Walla, Wallais, Wallace, Wallice, Wallang, Wallass, Wallayis, Wallays, Walleis, Wallensis, Walles, Walleyis, Walleys, Walli, Wallis Walls, Wallyis, Wallys, Walois,Walys - Waces, Wal', Walace, Walais, Walans, Walas, Walays, Wale, Waleis, Walency, Walens, Walense, Walensen, Walensi, Walensis, Wales, Waless, Waleys, Waleyss - Valance, Valensis, Valeyns, Vallace, Vallance, Valles, Valleyis, Vallibus (Not Vallibus, which has always signified the family of de Vaux or Vaus) - Uallas (the Scots Gaelic) - Gadhel, Galeis, Galeius, Gales, Galeys, Galleius, Grieve, Galleius, Galles, Galles, Gallia, Gallois, Gaul, Gweddol maybe coiuss
Which of the following is true of sound waves?
longitudinal wave consists of particles that move parallel to the motion of the wave. longitudinal wave also known as "l-waves", are waves that have the same direction of vibration as their direction of travel, which means that the movement of the medium is in the same direction as or the opposite direction to the motion of the wave.
