Please, fill out the information below to continue. NAME EMAIL PHONE NUMBER 1. 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.?72.8 cm³36.2 cm³24.3 cm³25.7 cm³2. Persistence of vision is the principle behind?SpectroscopeCameraPeriscopeCinema3. 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 is117km/h N65°W160km/h N30°W117km/h N31°W40km/h N31°E54km/h N60°E4. In which of the following devices is the expansion of a solid a disadvantage?I. Simple pendulum II. Fire alarms III. Thermostat IV. Bimetallic thermometerI onlyII and III onlyII, III, and IV onlyIII only5. 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?0.1505.00.50.026. A ball is thrown vertically upwards from the ground with an initial velocity of 20m/s. The maximum height reached by the ball is10.0m20.0m7.5m22.5m7. Which is the least possible error in using a rule graduated in cm?0.5cm2.0cm0.2cm1.0cm3.5cm8. Light from the laser is ________.IncoherentCompositeDispersed light Monochromatic 9. One of the following readings represents the measurement of the length of a metal rod using vernier callipers.5.0cm5.16cm5cm5.160cm5.165cm10. 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 markingsvertically downwards on the markingsslantingly towards the right on the markingsvertically upwards on the markings11. The dimensions of viscosity areM/L/T²M/L/TM/T²M/L12. A piece of rubber 10cm long stretches 6mm when a load of 100N is hung from it. What is the strain?6600.0060.60.0613. Boyle's law may be written asP1T1 = P2T2P1VI = P2V2V1 = V2/T1T2P1V1/T1 = P1V1/T214. Which of the following is a set of vectors?acceleration, velocity and momentmass, weight and densityforce, mass and momentmass, volume and density15. 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?210N175N50N100N16. Body floats in a fluid when it ________displaces its own weight of the fluiddisplaces its own volume of the liquid (fluid)displaces its own density of the fluidis no longer subjected to gravity17. At what temperature will the density of water be maximum?4° C- 4° C32° C0° C18. If an object is placed at a height of 10 m above the ground at a stationary point. It possess what type of energy?Mechanical energyPotential energyStationary energyVibrational energy19. The physical quantity that has the same dimensions as impulse is?momentumenergysurface tensionpressuretorque20. The velocity v of a particle in time t is given by the equation V = 10 + 2t². Find the instantaneous acceleration after 5 seconds.10m/s²20m/s²15m/s²60m/s²5m/s²21. Two cars moving in the same direction have speeds of 100km/h and 130km/h. What is the velocity of the faster car as measured by an observer in a slower car?130km/h30km/h200km/h230km/h100km/h22. The period of revolution round the sun is maximum by which among the following planets?VenusMarsMercury Earth23. 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 & III OnlyI, III & IV OnlyI & II OnlyI, II & III Only24. With an increase in pressure the melting point of water willremain unaffecteddecrease increasefirst increase and then decrease25. 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?I and II onlyI, II, and IV onlyall of the aboveIII and IV onlyII and III only26. What will be the maximum temperature if 100 gm ice at 0°C is put in 100 gm water at 80°C? (Latent heat of ice = 80 cal / gm)60°C0°C35°C45°C27. The ice point and steam points on a thermometer corresponds to X and 80mm respectively. A temperature of 60°C corresponds to 52mm on the thermometer. The value of X is8mm4mm20mm10mm28. 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 markings29. The general gas law can be written asPV = constantV/T = constantP/T = constantPV/T = constant30. 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 cm³36.2 cm³72.8 cm³25.7 cm³31. What is the inductance (L) of an inductor whose reactance is 1Ω at 50/π Hertz (H)?1 H10 H0.01 H100 H32. A man walks 8km north and then 5km in a direction 60° east of north. Find the distance from his starting point.13.00km14.36km3.00km11.36km33. 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?65N18N2.6N8N12N34. The distance X, metres travelled by a particle in time, t seconds is described by the equation X = 10 + 12t².Find the average speed of the particle between the time interval, t = 2s and t = 5s.108m/s72m/s52.57m/s84m/s60m/s35. The heating element of an electric heater is made of ____NichromeNone of theseCopperAluminum36. Fire in the diesel engine is produced by which of the following?CompressionSelf starterSpark plugFriction 37. The power source of a ticker-timer vibrates 40 times in one second. If the ticker-timer made 200 dots during an experiment, determine how long the experiment lasted25s5s10s45s15s38. A vector of magnitude 5 units in the north direction is combined with another vector to give zero resultant. The other vector is10 units in the north direction5 units in the west direction10 units in the south direction5 units in the south direction5 units in the east direction39. Ampere-hour is the unit of which among the following?Power Amount of chargeEnergyIntensity of current40. Which of the following readings cannot be determined with a meter rule?2.50cm2.56cm2.05cm2.00cm2.55cm41. Which of the following physical quantities is NOT a vector?electric field intensityworkvelocityforcemagnetic induction42. A boy drags a bag of rice along a smooth horizontal floor with a force of 2N applied at an angle of 60° to the floor. The work done after a distance of 3m is3J6J4J5J43. The external parts of an object can be measured accurately through the use of which scientific instrument?Vernier caliperMeter ruleNone of the aboveMicrometer screw guage44. Which of the following pairs of physical quantities comprises vectors?capacitance & inductancefriction & momentumenergy & powerforce ratio & velocity ratioelectric field potential & electric field intensity45. 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 is46. The dimensions of surface tension areM/L/T²M/L/TMT²M/T²47. The direction of the path taken by light is calledbeamlineslocusray48. What is the relationship between mechanical advantage (MA), velocity ratio (VR) and efficiency in percentage?MA = 1/E × 100%E = MA/VR × 100%VR = 1/(sinθ×MA)MA = E × VR49. Who discovered X-Rays?EinsteinMadam CurieRoentgenJ. J. Thomson50. Which of the following is a vector quantity?altitudemasscurrentcurrent densitytime51. Which among the following are primary colors?Blue, Yellow, GreenYellow, Violet, BlueRed, Green, BlueRed, Magenta, Yellow52. 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°C84.6°C63.6°C66.7°C53. 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 of15m/s north25m/s east of south25m/s east of north20m/s west of south25m/s west of north54. 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 is90°53.13°136.87°0°36.87°55. Which metal is commonly used for making an electromagnet?IronNickel Cobalt Copper 56. 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.7.5 N8.6 N6.56 N6.67 N57. If a ball is moving at 18m/s in a direction inclined at 60° to the horizontal. The horizontal component of its velocity is9m/s6√3m/s18m/s6m/s9√3m/s58. The Gas law was given byArrheniusOstwaldFaradayBoyle59. Which of the following sets consist entirely of scalar quantities?displacement, electric field & energyspeed, momentum & distancemomentum, velocity & densityimpulse, mass & magnetic fluxpressure, work & electric potential60. Which of the following can be used to measure accurately to three decimal places in centimeters?rulervernier callipermeter rulemicrometer screw gaugenone of the above61 out of 60Time is Up!