Name the famous book of Ibn-Sina in which he discussed human physiology and medicine ? April 15, 2025 by admin A. Al-Qanun B. Al-Masudi C. New Renaissance D. Tadhkira E. None of theseThe correct answer to the…
In a railway track, two rails are joined end to end with a gap tin between them because? April 15, 2025 by admin 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…
Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________? April 15, 2025 by admin A. Conduction B. Convection C. Radiation D. Reflection E. None of these The correct answer to…
In winter an iron pipe feel colder than a wooden window . This is because wood is_______? April 15, 2025 by admin A. Conductor B. Non-Conductor C. Semi- Conductor D. Not a solid while iron is a solid E….
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 ________? April 15, 2025 by admin A. 1120 ft B. 120 ft C. 56 ft D. 100 ft E. None of theseThe correct answer to…
It is possible to recognize a person in the dark by simply hearing his unique voice . It is because of the_______? April 15, 2025 by admin A. pitch B. Frequency C. Time period D. Quality E. None of theseThe correct answer to the…
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 _________? April 15, 2025 by admin A. Visible B. Transparent C. Invisible D. opaque E. None of theseThe correct answer to the…
A six feet tall lady wants to see her full image in a plane mirror . The minimum length of the mirror will be ? April 15, 2025 by admin A. 6 feet B. 12 feet C. 4 feet D. 3 feet E. None of theseThe correct answer to…
The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ? April 15, 2025 by admin A. red waves B. Infrared waves C. Ultrasonic D. super sonic E. None of theseThe correct answer to…
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 heavy nucleus This nuclear reaction is called ? April 15, 2025 by admin A. Chemical Reaction B. Nuclear reaction C. Fission nuclear reaction D. Fusion nuclear reaction E. None of theseThe correct answer…
