One way to categorize waves is to say that there are longitudinal and transverse waves. In a transverse wave, particles of the medium are displaced in a direction perpendicular to the direction of energy transport. In a longitudinal wave, particles of the medium are displaced in a direction parallel to energy transport.
Seven plans allowed normal retirement within these ages. Six of them required at least 30 years of service for normal retirement. Only two of the plans continue to allow normal retirement within these ages. Both now require a minimum age of 57 and at least 30 years of service. For most plans the minimum age requirement increased to the range of age 60 to age 62. Age 60.
Age. The eligibility requirements for collecting social security benefits from an ex-spouse focus mainly on age. If your ex husband is still living, you must be at least 62 years old to begin collecting social security benefits. If your ex husband is deceased, you can begin collecting benefits at an age slightly earlier at age 60, or at age 50 if you are disabled. Length of Marriage.