'Period' in wave motion is measure in units of time. The period of a wave is the time taken between corresponding points on a train of waves.This time is related to the frequency of the wave: Period, T = 1 / Frequency.Frequency is measured in Hz (or cycles per second) The distance between corresponding points on a wave is the wavelength-measured in units of distance. Source(s): Me: I'm a radio engineer.his time is related to the frequency of the wave: Period, T = 1 / Frequency. Frequency is measured in Hz (or cycles per second) The distance between corresponding points on a wave is the wavelength-measured in units of distance. Source(s): Me: I'm a radio engineer.
His love of the number 17 extends to football - it is the number on the back of the Newcastle United shirt he wears at St Jamesâ Park while watching Newcastle games. The number 17 is one of the most common bets in roulette as it lies in the exact centre of the table. But Mr Ashley has not had it all his own way in gambling. Last year, he is thought to have lost Â£129 million on spread bets, predicting that shares in the high street bank HBOS would rise in the first part of 2008.
How to Play Roulette. Roulette has offered glamour, mystery, and excitement to casino-goers since the 17th century. The game is popular in casinos worldwide in part because its rules are relatively simple and easy-to-understand. However, roulette offers a surprising level of depth for serious betters.