An ultraviolet wave traveling through a vacuum has a wavelength of 4. 0 × 10–7 m. The wave’s frequency, written in scientific notation to two significant figures, is × 1014 hz.

Answertrueknown as a genius of the piano and composer of instrument pieces for consorts he also was an english composer that lived during the renaissance time

Which of the following is an example of an opposing signal? no examplthates given.   i would say, that traffic lights in a city at major intersections direct the flow of traffic in opposite directions so would be an example.also, stop signs on either side of the same street would be an example. at a train crossing, the light for allowing car traffic in opposite directions or not would be another example.