[{"id":155106,"question":"One KWh is equal to:","choices":[{"text":"3.6 x 10<sup>2</sup>J","value":"A"},{"text":"3.6 KJ","value":"B"},{"text":"3,6 x 10<sup>1</sup>KJ","value":"C"},{"text":"3,6 MJ","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":155105,"question":"The velocity given to a body to go out of the influence of earth's gravity is known as:","choices":[{"text":"Terminal velocity","value":"A"},{"text":"Orbital velocity","value":"B"},{"text":"Escape velocity","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":155103,"question":"When two protons are brought closer potential energy of both of them:","choices":[{"text":"Increases","value":"A"},{"text":"Decreases","value":"B"},{"text":"Remains same","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":155100,"question":"A body of weight 1 N has a kinetic energy of 1 joule when its speed is:","choices":[{"text":"1.46 m sec<sup>-1</sup>","value":"A"},{"text":"2.44 m sec<sup>-1</sup>","value":"B"},{"text":"3.42 m sec<sup>-1</sup>","value":"C"},{"text":"4.43 m sec<sup>-1</sup>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":155098,"question":"Tick the conservative force:","choices":[{"text":"tension in a string","value":"A"},{"text":"Air resistance","value":"B"},{"text":"Elastic spring force","value":"C"},{"text":"Frictional force","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":155096,"question":"Work done along a closed path in a gravitational force is:","choices":[{"text":"maximum","value":"A"},{"text":"Minimum","value":"B"},{"text":"Zero","value":"C"},{"text":"Unity","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153839,"question":"The time rate of change of displacement is called:","choices":[{"text":"Time","value":"A"},{"text":"Acceleration","value":"B"},{"text":"Speed","value":"C"},{"text":"Velocity","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153838,"question":"One newton is a force that produces an acceleration of 0.5 m/sec<sup>2</sup>in a body of mass:","choices":[{"text":"2 kg","value":"A"},{"text":"3 kg","value":"B"},{"text":"4 kg","value":"C"},{"text":"8 kg","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153837,"question":"Force is a:","choices":[{"text":"Scalar quantity","value":"A"},{"text":"Base quantity","value":"B"},{"text":"Derived quantity","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153836,"question":"An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:","choices":[{"text":"100 m/sec","value":"A"},{"text":"140 m/sec","value":"B"},{"text":"1960 m/sec","value":"C"},{"text":"196 m/sec","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":153835,"question":"Bodies which falls freely under gravity provides good example of motion under:","choices":[{"text":"Uniform acceleration","value":"A"},{"text":"Non-uniform acceleration","value":"B"},{"text":"Uniform velocity","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153834,"question":"<br>Swimming becomes possible because of______law of motion:","choices":[{"text":"First","value":"A"},{"text":"Second","value":"B"},{"text":"Third","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153833,"question":"A dirty carpet is to be cleaned by heating. This is an accordance with____ law of motion:","choices":[{"text":"First","value":"A"},{"text":"Second","value":"B"},{"text":"Third","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153832,"question":"A certain force gives an acceleration of 2 m/sec2 to a body if mass 5 kg. The same force would give a 29 kg object an acceleration of:","choices":[{"text":"0.5 m/sec2","value":"A"},{"text":"5 m/sec2","value":"B"},{"text":"1.5 m/sec2","value":"C"},{"text":"9.8 m/sec2","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":153831,"question":"Slope of velocity-time graph represents:","choices":[{"text":"Acceleration","value":"A"},{"text":"Speed","value":"B"},{"text":"Torque","value":"C"},{"text":"Work","value":"D"},{"value":"E"}],"correctAnswer":1}]