Select the option in which the word ‘nadir’ is used correctly.  1. Tenzing Norgay reached the nadir of the Everest summit and created history. 2. The Sahitya Academy Award was announced in recognition of the nadir in the writer’s literary achievements. 3. The nadir of a man’s life comes when he feels happy about his selfless service to mankind. 4. The recent court ruling sentencing the politician on criminal charges marked the nadir in his political career.