Two common types are the aneroid barometer and the mercurial barometer (invented first). Evangelista Torricelli invented the first barometer, known as the “Torricelli’s tube”.
General Knowledge Mcqs consists of World Geography, Atmosphere, Science & Literature, events Mcqs, Current Affairs Mcqs , Pakistan Affairs Mcqs and International Organizations. These general knowledge questions are very important for all type of exams conducted by Fpsc, Nts, Kppsc, Ppsc, Spsc, Bpsc, Ots, Uts, Pts, Cts, Ats, etea and other testing agencies of Pakistan.