Light reflects in the same manner that any wave would reflect. Light refracts in the same manner that any wave would refract. Light diffracts in the same manner that any wave would diffract. Light undergoes interference in the same manner that any wave would interfere. And light exhibits the Doppler effect just as any wave would exhibit the Doppler effect.
Snooker referees in this industry earned an annual mean wage of $27,050 that year. Those employed in other amusement and recreation industries earned an annual mean wage of $23,640, while those employed by elementary and secondary schools earned an annual wage of $36,320.nnual Wage. The BLS reported the median annual wage for snooker referees and umpires, referees and other sports officials in general was $22,820 in May 2010.
Umpires in elite panel are paid basic yearly salary which is minimum $35,000 a year to $45,000 a year depending on experience. Umpires in elite panel also paid match fees which is $3000 for test match, $1000 for odi match and $500 for T20 match.mpires in elite panel also paid match fees which is $3000 for test match, $1000 for odi match and $500 for T20 match.