A. Al-Qanun B. Al-Masudi C. New Renaissance D. Tadhkira E. None of these The correct answer to the question: “Name the famous book of Ibn-Sina in which he discussed human physiology and medicine ?” is “Al-Qanun”.
A. Steel can be saved B. Accidents due to contraction in winter can be avoided C. Air gaps are necessary for bearing the weight of running train D. Accidents due to expansion in summer can be avoided E. All of these The correct answer to the question: “In a railway track, two rails are joined … Read more
A. Conduction B. Convection C. Radiation D. Reflection E. None of these The correct answer to the question: “Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________?” is “Radiation”.
A. Conductor B. Non-Conductor C. Semi- Conductor D. Not a solid while iron is a solid E. None of these The correct answer to the question: “In winter an iron pipe feel colder than a wooden window . This is because wood is_______?” is “Conductor”.
A. 1120 ft B. 120 ft C. 56 ft D. 100 ft E. None of these The correct answer to the question: “The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________?” is “56 ft”.
A. pitch B. Frequency C. Time period D. Quality E. None of these The correct answer to the question: “It is possible to recognize a person in the dark by simply hearing his unique voice . It is because of the_______?” is “pitch”.
A. Visible B. Transparent C. Invisible D. opaque E. None of these The correct answer to the question: “When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________?” is “Visible”.
A. 6 feet B. 12 feet C. 4 feet D. 3 feet E. None of these The correct answer to the question: “A six feet tall lady wants to see her full image in a plane mirror . The minimum length of the mirror will be ?” is “3 feet”.
A. red waves B. Infrared waves C. Ultrasonic D. super sonic E. None of these The correct answer to the question: “The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ?” is “Ultrasonic”.
A. Chemical Reaction B. Nuclear reaction C. Fission nuclear reaction D. Fusion nuclear reaction E. None of these The correct answer to the question: “In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a … Read more