[{"id":1067752,"question":"When adding or subtracting physical quantities, the absolute uncertainty in the final result is found by:","choices":[{"text":"Multiplying the individual absolute uncertainties.","value":"A"},{"text":"Adding the individual absolute uncertainties.","value":"B"},{"text":"Taking the average of the individual absolute uncertainties.","value":"C"},{"text":"Subtracting the smallest from the largest individual absolute uncertainty.","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1067751,"question":"The dimensions of momentum are:","choices":[{"text":"[MLT⁻¹]","value":"A"},{"text":"[ML²T⁻²]","value":"B"},{"text":"[MLT⁻²]","value":"C"},{"text":"[ML²T⁻¹]","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1067750,"question":"How many significant figures are in the measurement 0.004500 kg?","choices":[{"text":"3","value":"A"},{"text":"4","value":"B"},{"text":"5","value":"C"},{"text":"6","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":1067749,"question":"The prefix 'nano' represents a factor of:","choices":[{"text":"10⁻⁶","value":"A"},{"text":"10⁻⁹","value":"B"},{"text":"10⁻¹²","value":"C"},{"text":"10⁻³","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1067748,"question":"Which of the following is the SI base unit for luminous intensity?","choices":[{"text":"Ampere","value":"A"},{"text":"Candela","value":"B"},{"text":"Mole","value":"C"},{"text":"Kelvin","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065978,"question":"<p>The most ractive metals of the periodic table are.</p>\r\n","choices":[{"text":"<p>Alkali metals</p>\r\n","value":"A"},{"text":"<p>Alkaline metals</p>\r\n","value":"B"},{"text":"<p>Rare earth metals</p>\r\n","value":"C"},{"text":"<p>Coinage metals</p>\r\n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1065450,"question":"<p>The time taken by the light to reach from sun to earth is.</p>","choices":[{"text":"<p>1 min - 20 sec</p>","value":"A"},{"text":"<p>1 min -40 sec</p>","value":"B"},{"text":"<p>9min -20sec</p>","value":"C"},{"text":"<p>8 min - 20 sec</p>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":1065449,"question":"<p>One ligh year is equal to in meteres.</p>","choices":[{"text":"<p>9.5 x 10<sup>15</sup></p>","value":"A"},{"text":"<p>9.5 x 10<sup>-15</sup></p>","value":"B"},{"text":"<p>3.1 x 102</p>","value":"C"},{"text":"<p>3.1 x 10<sup>-8</sup></p>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1065448,"question":"<p>Which pair has same unit.</p>","choices":[{"text":"<p>Work and energy</p>","value":"A"},{"text":"<p>Momentum and moment of inertia</p>","value":"B"},{"text":"<p>Force and torque</p>","value":"C"},{"text":"<p>Torque and power</p>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1065447,"question":"<p>[M<sup>0</sup> L<sup>0</sup>T-1] Refers to.</p>","choices":[{"text":"<p>Angular velocity</p>","value":"A"},{"text":"<p>Wavelength</p>","value":"B"},{"text":"<p>Time Period</p>","value":"C"},{"text":"<p>Velocity</p>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1065446,"question":"<p>Dimension of relation mc2 are equal to dimension of.</p>","choices":[{"text":"<p>Force</p>","value":"A"},{"text":"<p>energy</p>","value":"B"},{"text":"<p>Torque</p>","value":"C"},{"text":"<p>Momentum</p>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065445,"question":"<p>Dimensions of viscosity are.</p>","choices":[{"text":"<p>[ML-1T]</p>","value":"A"},{"text":"<p>[ML-1T-1]</p>","value":"B"},{"text":"<p>[ML-1T-2]</p>","value":"C"},{"text":"<p>[ML2T-1]</p>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065444,"question":"<p>The dimensionally correct equation of E is.</p>","choices":[{"text":"<p>mc2</p>","value":"A"},{"text":"<p>mc</p>","value":"B"},{"text":"<p>m/c</p>","value":"C"},{"text":"<p>m2c2</p>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1065443,"question":"<p>The Dimension of Power is.</p>","choices":[{"text":"<p>[ML2T-2]</p>","value":"A"},{"text":"<p>[ML2T-3]</p>","value":"B"},{"text":"<p>[ML2T-1]</p>","value":"C"},{"text":"<p>[MLT-1]</p>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065442,"question":"<p>The Diment sions of moment of inertia are</p>","choices":[{"text":"<p>[ML2]</p>","value":"A"},{"text":"<p>[ML-2]</p>","value":"B"},{"text":"<p>[ML3]</p>","value":"C"},{"text":"<p>[ML]</p>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1065441,"question":"<p>The Dimension of freqeuncy is</p>","choices":[{"text":"<p>[T-1]</p>","value":"A"},{"text":"<p>[LT]</p>","value":"B"},{"text":"<p>[MLT]</p>","value":"C"},{"text":"<p>[LT-1]</p>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1065440,"question":"<p>The dimensions of angula momentum are.</p>","choices":[{"text":"<p>[ML2T-1]</p>","value":"A"},{"text":"<p>[MLT-2]</p>","value":"B"},{"text":"<p>[MLT1]</p>","value":"C"},{"text":"<p>[ML2T-2]</p>","value":"D"},{"value":"E"}],"correctAnswer":1}]