Quiz 136: General Science : Some Basic Concepts of Physics June 19, 2009 1. Which among the following defines gravitational mass?Ratio of weight of a body and acceleration due to gravityRatio of Acceleration due to gravity and weight of a bodymatter contained in a bodyNone of the above2. The value of acceleration due to gravity is __________?Minimum at equator and maximum at polesmaximum at equator and minimum at polesequal at poles and equatorNone of the above3. What is the mean value of g at earth’s surface?0.98 meter per second9.8 meter per second9.8 meter per second square0.98 meter per second square4. Which of the following term denotes the internal reaction force per unit area developed as a result of applied external force ?StressFrictionMoment of Inertiatension5. Which among the following defines cohesive force?the force of attraction acting between the molecules of same materialthe force of attraction acting between the molecules of different materialthe force of attraction acting between the atoms of same materialNone of the above6. The ideal fluid which is a hypothetical fluid should contain _______?Zero Viscosity OnlyZero Compressibility OnlyZero Viscosity & Zero CompressibilityNone of the above7. A molecule is a smallest part of matter which possesses all properties of original matter. A molecule is electrically _________?PositveNegativeeither positive or negativeneutral8. Which among the following is true about conduction, convection and radiation mode of transfer of heat?A Medium is required for conduction but not required for convection and radiationA medium is required for conduction, convection and radiationA medium is required for conduction and convection but not required for radiationA medium is not required for conduction and convectio, radiation9. Which among the following is true regarding Sound Waves?They are longitudinal waves and material medium is not required for their propagationThey are transverse waves and material medium is required for their propagationThey are longitudinal waves and material medium is required for their propagationThey are transverse waves and material medium is not required for their propagation10. Which among the following principle is used by Bats?RADAR (Radio Detective & RangingSONAR (Sound Navigation & Ranginglaw of reflectionlaw of diffractionSubmit Test « Previous Next »