[{"id":121901,"question":"The range of projectile is 50 m when<span style=\"color: rgb(106, 106, 106); font-family: arial, sans-serif; font-size: small;\">θ is inclined with horizontal at 15</span><span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°. What is the range when</span><span style=\"color: rgb(106, 106, 106); font-family: arial, sans-serif; font-size: small;\">θ becomes 45</span><span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°?</span>","choices":[{"text":"400 m","value":"A"},{"text":"300 m","value":"B"},{"text":"200 m","value":"C"},{"text":"100 m","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":121897,"question":"A projectile on its path gets divided into two pieces at its highest point. Which is true?","choices":[{"text":"Momentum increases","value":"A"},{"text":"Momentum decreases","value":"B"},{"text":"Kinetic energy increases","value":"C"},{"text":"Kinetic energy decreases","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":121894,"question":"Which of the following statements for an object in equilibrium is not true?","choices":[{"text":"The object must be at rest","value":"A"},{"text":"The object can be at rest","value":"B"},{"text":"The object is moving at constant speed","value":"C"},{"text":"The acceleration of the object is zero","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":121892,"question":"Two projectiles are fired from the same point with the same speed at angles of projection 60<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">° and 30</span><span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">° respectively. Which one of the following is true?</span>","choices":[{"text":"Their range will be same","value":"A"},{"text":"Their maximum height will be same","value":"B"},{"text":"Their landing velocity will be same","value":"C"},{"text":"Their time of flight will be same","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":121890,"question":"Maximum height of a bullet when fixed at 30 with horizontal is 11 m. Then height when it is fired at 60<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">° is</span>","choices":[{"text":"22 m","value":"A"},{"text":"6 m","value":"B"},{"text":"33 m","value":"C"},{"text":"7.8 m","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":121889,"question":"Find the total displacement of a body in 8 seconds starting from rest with an acceleration of 20 cm/s<sup>2</sup>","choices":[{"text":"0.064 m","value":"A"},{"text":"640 cm","value":"B"},{"text":"64 cm","value":"C"},{"text":"64 m","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":121887,"question":"A train is moving with a velocity of 25 m/s and a car is moving behind it by a velocity of 8 m/s in same direction. The relative velocity of train with respect to car is","choices":[{"text":"17 m/s","value":"A"},{"text":"33 m/s","value":"B"},{"text":"17.5 m/s","value":"C"},{"text":"none","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":121884,"question":"A body is thrown from a height h with speed u, it hits the ground with speed V","choices":[{"text":"The value of V is maximum if the body is thrown vertically downward","value":"A"},{"text":"The value of V is maximum if the body is thrown vertically upwards","value":"B"},{"text":"The value of V is minimum if the body is thrown horizontally","value":"C"},{"text":"The value of V does not depend on the direction of which it is thrown","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":121881,"question":"A ball is dropped vertically down and it takes time t to reach the ground. At time t/2","choices":[{"text":"The ball had covered exactly half the distance","value":"A"},{"text":"The velocity of the ball was V/3 where V is the velocity when it reached the ground","value":"B"},{"text":"The ball had covered less than half the distance","value":"C"},{"text":"The ball had covered more than half the distance","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":121876,"question":"A ball is dropped from a certain height and another ball is projected horizontally from the same point. Which of the following statement is correct?","choices":[{"text":"Both hit the ground at the same veloctiy","value":"A"},{"text":"Both hit the ground at the same speed","value":"B"},{"text":"The change of velocity during the path for both balls is the same","value":"C"},{"text":"The change of speed during the path for both balls is the same","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":121873,"question":"A man sitting in a bus travelling in a direction from west to east with a speed of 40 km/h observes that the rain drops are falling vertically down. To the another man standing on ground the rain will appear","choices":[{"text":"To fall vertically down","value":"A"},{"text":"To fall at an angle going from west to east","value":"B"},{"text":"To fall at an angle going from east to west","value":"C"},{"text":"The information given is insufficient to decide the direction of rain","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":121871,"question":"Range of a projectile is R, when the angle of projection is 30<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">° . Then, the value of the other angle of projection for the same range, is</span>","choices":[{"text":"45<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°</span>","value":"A"},{"text":"60<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°</span>","value":"B"},{"text":"50<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°</span>","value":"C"},{"text":"40<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°</span>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":121870,"question":"If the water falls from a dam into a turbine wheel 19.6 m below, then the velocity of water at the turbine, is (Take g=9.8 m/s<sup>2</sup>)","choices":[{"text":"9.8 m/s","value":"A"},{"text":"19.6 m/s","value":"B"},{"text":"39.2 m/s","value":"C"},{"text":"98.0 m/s","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":121869,"question":"If speed of electron is 5 x 10<sup>5</sup>m/s. How long does it take one electron to transverse 1 m?","choices":[{"text":"1 x 10<sup>6</sup>","value":"A"},{"text":"2 x 10<sup>6</sup>","value":"B"},{"text":"2 x 10<sup>5</sup>","value":"C"},{"text":"1 x 10<sup>5</sup>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":121868,"question":"Distance traveled by a body falling from rest in the first, second and third second is in the ration of","choices":[{"text":"1 : 2 : 3","value":"A"},{"text":"1 : 3 : 5","value":"B"},{"text":"1 : 4 : 9","value":"C"},{"text":"None of the above","value":"D"},{"value":"E"}],"correctAnswer":2}]