Jamb Physics CBT Quiz /15 0 Time is up! You need to think and answer fast!! physics QuizThis Quiz will increase your knowledge in physics. 1 / 15If a current of 2.5A flows through an electrolyte for 3 hours and 1.8g of a substance is deposited, what is the mass of the substance that will be deposited if a current of 4A flows through it for 4.8 hours? 4.2g 3.6g 2.8g 5.0g 2 / 15Calculate the energy of the third level of an atom if the ground state energy is -24.8eV -9.20eV -1.75eV -2.75eV -8.20eV 3 / 15A wave that travels through stretched strings is known as electromagnetic wave seismic wave mechanical wave micro wave 4 / 15Which of the following obeys ohms law? Diode Electrolytes Electrolysis Metals 5 / 15The coefficient of friction between two perfectly smooth surface is Zero Infinity Half One 6 / 15A house has ten 40W and five 100W bulbs. How much will it cost the owner of the house to keep them lit for 10 hours if the cost of a unit is N5? N45 N25 N60 N90 7 / 15The particle nature of light is demonstrated by the speed of light diffraction of light speed of light photoelectric effect 8 / 15To convert a galvanometer to a voltmeter, a low resistance is connected to it in parallel high resistance is connected to it in series high resistance is connected to it in parallel low resistance is connected to it in series 9 / 15What fraction of its volume will be immersed in the liquid?A piece of cork floats in a liquid. What fraction of its volume will be immersed in the liquid?[density of the cork = 0.25 x 103 kgm-3 Density of the liquid = 1.25 x 103 kgm-3] 0.2 0.6 2.2 1.0 10 / 15Calculate the work done, when a force of 20N stretches a spring by 50mm. 5.0 J 2.0 J 0.5 J 0.8 J 11 / 15If the linear magnification of the objective and eyepiece are 4 and 7 respectively, calculate the angular magnification of the microscope 28 26 28 16 12 / 15The resultant of two forces is 50N...If the forces are perpendicular to each other and one of them makes an angle of 30° with the resultant, find its magnitude 80.3N 100.00N 57.7N 47.91N 13 / 15Calculate the apparent weight loss of a man...Calculate the apparent weight loss of a man weighing 70kg in an elevator moving downwards with an acceleration of 1.5ms-2. 205N 125N 105N 104N 14 / 15Two liquids X and Y having the same massare supplied with the same quantity ofheat. If the temperature rise in X is twicethat of Y, the ratio of specific heatcapacity of X to that of Y is 2:1 1:4 1 : 2 1:8 15 / 15An object is moving with a velocity of 5ms-1. At what height must a similar body be situated to have potential energy equal in value with the kinetic energy of the moving body?[g = 10ms-2] 0.7m 5.2m 1.4m 1.3m Your score is Restart quiz CHANGE SUBJECT