Science Physics MCQ-159

General Science-Physics Practice Test for CDS, NDA, CivilsPrelims, RBI, UPPSC, JPSC, SSC, UPSC Exams

The force that prevents the relative motion between the layers of a liquid is called


The forces of 4 dyne and 3 dyne act upon a body. The resultant force on the body can only be


The freezer in a refrigerator is fitted near the top


The frequency of vibration of a stretched string is…its length.


The function of fuse in an electrical circuit is


The function of the choke is to


The fundamental characteristic of all waves are


The fusion reaction between two light nuclei takes place at


The half-life of a radioactive substance depends on


The half-life of a radioactive substance is 10 days. This means that


The half-life of a radioactive element is 5 years. The fraction of the radioactive substance that remains after 20 years is


The heat released by the condensation of x j grams of steam at 1000C into water at 1000C | converts y gram of ice at 00C into water at j 1000C. The ratio y/x is nearly equal to !


The height of a geostationary satellite above the surface of the earth is approximately


The horse pulls the cart because of


The hygrometer is a device for measuring


The ink of a pen leaks out in an airplane because


The inside of an aeroplane flying at a high altitude


The insulating properties of substances like mineral wool, woollen blankets, U-foam, etc., are because


The intensity of sound at a point is … its distance from the source.


The kind of fuse wire to be used depends on


The law of universal gravitation was propounded by


The laws concerning the motion of planets were suggested by


The layer of the atmosphere which reflects the radio waves back to the earth is called


The leaning tower of Pisa does not fall because


The linear momentum of a particle increases . by 50%. The increase in kinetic energy should be