Please, fill out the information below to continue. NAME EMAIL PHONE NUMBER 1. If a ball is moving at 18m/s in a direction inclined at 60° to the horizontal. The horizontal component of its velocity is9√3m/s9m/s6√3m/s6m/s18m/s2. Which of the followings are the correct SI units of the quantities indicated?I. N (Force)II. N/m (Torque)III. Watt (Power)IV. Kgm/s² (Momentum)I, II & III OnlyI & III OnlyI & II OnlyI, III & IV Only3. A ball is thrown vertically upwards from the ground with an initial velocity of 20m/s. The time spent in air by the ball is5s10s2s4s4. A charge 50μC has an electric field strength of 360N/C at a certain point. The electric field strength due to another charge 120μC kept at the same distance apart and in the same medium is944N/C18N/C864N/C150N/C5. The equilibrant of two or more concurrent forces is equalin magnitude to the resultant but opposite in directionto the sum of the magnitude of the forcesin magnitude and direction to the resultantto the difference in magnitude of the forces6. Two points on a velocity time graph have co-ordinates (5s, 10m/s) and (20s, 20m/s). Calculate the mean acceleration between the two points.0.67m/s²2.00m/s²1.50m/s²0.83m/s²7. The general gas law can be written asP/T = constantPV = constantV/T = constantPV/T = constant8. A particle of weight 120N is placed on a plane inclined at an angle 30° to the horizontal. If the plane has an efficiency of 60%, what is the force required to push the weight uniformly up the plane?100N175N210N50N9. A piece of rubber 10cm long stretches 6mm when a load of 100N is hung from it. What is the strain?0.060.006600.6610. Electrons were discovered byJ. J. ThompsonCharles NewtonJames Chadwick B.Sir Isaac Newton11. If the tape of a ticker-timer shows dots equally spaced at 1cm apart and the vibrator makes 50 dots per second, what is the speed of the tape in m/s?5.00.10.5500.0212. Which of the following represents the correct precision if the length of a piece of wire is measured with a meter rule?35mm35.0mm35.00mm35.01mm13. The resultant of two forces acting on an object is maximum when the angle between them is90°270°45°0°180°14. A vernier scale was formed by dividing a length of 19mm into 20 equal parts. If this vernier is used with a main scale marked in mm, what is the smallest distance that can be measured?0.005mm0.05mm0.1mm0.001mm0.5mm15. An Eagle flying due north with a velocity of 15m/s sheds a feather in an air current blowing at 20m/s due east. The feather will move with a velocity of20m/s west of south25m/s east of south25m/s east of north25m/s west of north15m/s north16. An aircraft attempts to fly due north at 100km/h. If the wind blows against it from east to west at 60km/h, its resultant velocity is40km/h N31°E117km/h N31°W117km/h N65°W54km/h N60°E160km/h N30°W17. A man walks 8km north and then 5km in a direction 60° east of north. Find the distance from his starting point.3.00km14.36km11.36km13.00km18. A tugboat is travelling from Lagos to Morocco across the river Nile with a resultant velocity of 20 knots. If the river flows at 12 knots, the direction of motion of the boat relative to the direction of water flow is53.13°0°90°36.87°136.87°19. The velocity v of a particle in time t is given by the equation V = 10 + 2t². Find the instantaneous acceleration after 5 seconds.60m/s²10m/s²20m/s²5m/s²15m/s²20. Which of the following is not a luminous object?The moonThe sunA starA lit candle21. Which of the following is equivalent to Kgm/s?J/sNsNmsN/s22. Which of the following readings cannot be determined with a meter rule?2.56cm2.50cm2.55cm2.00cm2.05cm23. Which of the following physical quantities is NOT a vector?electric field intensitymagnetic inductionvelocityworkforce24. Which among the following are primary colors?Red, Green, BlueYellow, Violet, BlueRed, Magenta, YellowBlue, Yellow, Green25. In order to remove the error of parallax when taking measurements with a meter rule, the eye should be focusedSlantingly towards the left on the markingsSlantingly towards the right on the markingsVertically upwards on the markingsVertically downwards on the markings26. Primary colors of light areCyan, magenta and yellowNone of these colorsRed, blue and greenBlack, blue and green27. The international agreed system of units (S.I) for physical measurements are?kg, cm, skg, m, slb, ft, sg, m, scm, g, s28. The lower fixed point corresponds to a length of 20mm on the stem of a thermometer while the upper fixed point corresponds to 160mm. The temperature corresponding to a length of 48mm is50.0°C30.0°C20.0°C41.7°C29. Which of the following sets consist entirely of scalar quantities?displacement, electric field & energymomentum, velocity & densityimpulse, mass & magnetic fluxpressure, work & electric potentialspeed, momentum & distance30. Galvanometer can be converted into a voltmeter by usinga high resistance wire in seriesa low resistance wire in parallela low resistance wire in seriesa high resistance wire in parallel31. An example of a scalar quantity isweightvelocitymomentumelectric chargeacceleration due to gravity32. When water is heated from 0°C to 100°C, the volume of waterfirst decreases, then increasesdecreases graduallyfirst increases, then decreasesincreases gradually33. If the volume of a gas is recorded as 76 cm³ at a temperature of 27°C with a pressure of 800 mmHg. What will be the volume of the gas at S.T.P?36.2 cm³72.8 cm³24.3 cm³25.7 cm³34. The magnitude of the resultant of mutually perpendicular forces, F1 and F2 is 13N. If the magnitude of F1 is 5N, what is the magnitude of F2?2.6N8N18N65N12N35. The dimensions of surface tension areM/L/T²M/T²MT²M/L/T36. A machine gun with a mass of 5kg fires a 50g bullet at a speed of 100m/s. The recoil speed of the machine gun is37. Which of the following pairs of physical quantities comprises vectors?friction & momentumelectric field potential & electric field intensitycapacitance & inductanceenergy & powerforce ratio & velocity ratio38. The Gas law was given byBoyleFaradayOstwaldArrhenius39. Calculate the gravitation force of attraction between two planets of 10^24 kg and 10^27 kg separated by a distance of 10^20 m.8.6 N6.67 N7.5 N6.56 N40. A single force which produces the same effect as a set of forces acting together at a point is known as theequilibriumresistantresultantequilibrantcomponent41. Which among the following order of decreasing wavelengths of electromagnetic waves is correct?I. Radio waves II. Infrared rays III. Visible Light IV. X-Rays IV, III, II, III, I, IV, IIII, III, II, IVI, II, III, IV42. I. diameter of a small ball bearing.II. thickness of a piece of paper.III. diameter of a measuring cylinder.IV. length of a piece of wire.Which of the above can be measured using a micrometer screw gauge?II and III onlyI, II, and IV onlyall of the aboveIII and IV onlyI and II only43. A platinum resistance thermometer has resistances of 5.25Ω and 9.75Ω at 0°C and 100°C respectively. When the resistance is 8.25Ω, the temperature is75.0°C66.7°C63.6°C84.6°C44. Body floats in a fluid when it ________displaces its own volume of the liquid (fluid)is no longer subjected to gravitydisplaces its own density of the fluiddisplaces its own weight of the fluid45. Which of the following is a vector quantity?current densitymassaltitudetimecurrent46. Which among the following is the best conductor of electricity?GoldCopperSilverLead47. Which of the following quantities has the same unit as the Watt?force x distanceforce x accelerationforce x velocityforce x time48. A vector of magnitude 5 units in the north direction is combined with another vector to give zero resultant. The other vector is5 units in the east direction5 units in the south direction5 units in the west direction10 units in the south direction10 units in the north direction49. In order to remove the error of parallax when taking measurements with a meter rule, the eye should be focusedvertically downwards on the markingsvertically upwards on the markingsslantingly towards the left on the markingsslantingly towards the right on the markings50. A ball is thrown vertically upwards from the ground with an initial velocity of 20m/s. The maximum height reached by the ball is22.5m7.5m10.0m20.0m51. If the volume of a gas is recorded as 76 cm³ at a temperature of 27°C with a pressure of 800 mmHg. What will be the volume of the gas at S.T.P.?24.3 cm³72.8 cm³25.7 cm³36.2 cm³52. The direction of the path taken by light is calledraybeamlineslocus53. If an object is placed at a height of 10 m above the ground at a stationary point. It possess what type of energy?Potential energyVibrational energyMechanical energyStationary energy54. Which is the least possible error in using a rule graduated in cm?3.5cm2.0cm0.2cm1.0cm0.5cm55. Which of the following is a fundamental unit?NewtonJoulesWattsAmpere56. Radio waves belong to the class of waves whose velocity is about3 × 10^6 m/s34 m/s3 × 10^-8 m/s3 × 10^8 m/s57. The physical quantity that has the same dimensions as impulse is?energypressuremomentumsurface tensiontorque58. Find the acceleration of a body of mass 20kg under forces of 3N and 10N acting horizontally in opposite directions0.50m/s²2.86m/s²0.15m/s²0.35m/s²59. Which of the following statements are true about the spring balance and the chemical balance?I. a change in gravity changes the reading of a spring balance but not that of a chemical balance.II. both are used to measure the mass of an object.III. either of them may be used to measure the weight of an object.IV. the spring balance works on the principle of Hooke's law while the chemical balance works on the principle of moments.II and III onlyIII and IV onlynone of the aboveall of the aboveI and IV only60. The external parts of an object can be measured accurately through the use of which scientific instrument?Meter ruleMicrometer screw guageVernier caliperNone of the above61 out of 60Time is Up!