Test 10 Questions SPL - Sailplane Pilot License - Air Law, no time limit

1 - The validity of a medical examination certificate class 2 for a 62 years old pilot is...
2 - Where can the type of restriction for a restricted airspace be found?
3 - Which transponder code has to be set unrequested during an emergency?
4 - What is the minimum flight visibility in airspace "C" at and above FL 100 for an aircraft operating under VFR?
5 - During slope soaring you have the hill to your left side, another glider is approaching from the opposite side at the same altitude. How do you react?
6 - Which validity does the "Certificate of Airworthiness" have?
7 - Being intercepted by a military aircraft at daytime, what is the meaning of the following signal: A sudden heading change of 90 degrees or more and a pull-up of the aircraft without crossing the track of the intercepted aircraft?
8 - What is the meaning of the abbreviation "SERA"?
9 - What is the primary purpose of an aircraft accident investigation?
10 - Which transponder code should be set during a radio failure without any request?