[{"id":153887,"question":"A point on the rim of a wheel moves 0.2 m when the wheel turns through an angle of 14.3 degrees. The radius of the wheel is:","choices":[{"text":"0.05 m","value":"A"},{"text":"0.08 m","value":"B"},{"text":"0.8 m","value":"C"},{"text":"0.008 m","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153886,"question":"Einstein's theory about gravity if better than Newton's because it gave explanation of:","choices":[{"text":"Inverse square law","value":"A"},{"text":"Bending of light","value":"B"},{"text":"Both A and B","value":"C"},{"text":"None of above","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153885,"question":"INTELSAT operates at frequencies 4, 6, 11, 14 having unit of:","choices":[{"text":"KHz","value":"A"},{"text":"MHz","value":"B"},{"text":"GHz","value":"C"},{"text":"BHz","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":153884,"question":"The number of \"Earth stations\" which transmit signals to satellites and receive signals from them are:","choices":[{"text":"3","value":"A"},{"text":"24","value":"B"},{"text":"126","value":"C"},{"text":"200","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153883,"question":"The net force acting on a 100 kg man standing in an elevator accelerating downward with a = 0.8 m sec<sup>-2</sup>comes out to:","choices":[{"text":"980 N","value":"A"},{"text":"580 N","value":"B"},{"text":"1380 N","value":"C"},{"text":"Zero","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":153882,"question":"If a gymnast is sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will:","choices":[{"text":"Increase","value":"A"},{"text":"Decrease","value":"B"},{"text":"Remains constant","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":153881,"question":"Conventional the angular Velocity is Directed at an angle of:","choices":[{"text":"<font face=\"arial, sans, sans-serif\"><span style=\"font-size: 13.3333px;\">90</span></font><span style=\"font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">° to the axis of rotation</span>","value":"A"},{"text":"30<span style=\"font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">° to the axis of rotation</span>","value":"B"},{"text":"0<span style=\"font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">° to the axis of rotation</span>","value":"C"},{"text":"None of above","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":152026,"question":"When a body moves along a circular path with constant speed, it has an acceleration, which is always directed","choices":[{"text":"Along the tangent","value":"A"},{"text":"Towards the centre","value":"B"},{"text":"Away from the centre","value":"C"},{"text":"None of them","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":152020,"question":"One radian is","choices":[{"text":"Greater than one degree","value":"A"},{"text":"Less than one degree","value":"B"},{"text":"Equal to one degree","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":152018,"question":"Centripetal acceleration is also called ________ acceleration","choices":[{"text":"Tangential","value":"A"},{"text":"Radial","value":"B"},{"text":"Angular","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":152016,"question":"Direction of motion _______ in circular motion","choices":[{"text":"Changes off and on","value":"A"},{"text":"Changes continuously","value":"B"},{"text":"Does not change","value":"C"},{"text":"None of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":152014,"question":"An axis of rotation","choices":[{"text":"Is a straight line","value":"A"},{"text":"Is normal to the plane of rotation","value":"B"},{"text":"Passes through pivot point O","value":"C"},{"text":"All of them","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":152013,"question":"Conventionally the angular velocity is directed at an angle of","choices":[{"text":"90° to the axis of rotation","value":"A"},{"text":"30° to the axis of rotation","value":"B"},{"text":"0° to the axis of rotation","value":"C"},{"text":"None of the above","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":152012,"question":"A point on the rim of a wheel moves 0.2 m when the wheel turns through an angle of 14.3 degrees. The radius of the wheel is","choices":[{"text":"0.05 m","value":"A"},{"text":"0.08 cm","value":"B"},{"text":"0.8 m","value":"C"},{"text":"0.008 m","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":151770,"question":"INTELSAT operates at frequencies 4, 6, 11, 14 having unit of","choices":[{"text":"KHz","value":"A"},{"text":"MHz","value":"B"},{"text":"GHz","value":"C"},{"text":"BHz","value":"D"},{"value":"E"}],"correctAnswer":3}]