2 Comments / O/LEVEL, Physics / By Rita O'Level Physics QUESTIONS AND ANSWERS This Quiz provides you with the objective question of O'Level Physics : questions with their Answer which are well explained at the end of the Quiz. Answer all Questions Start My TEST Now 1. Which of the following is not a vector quantity? SpeedTorque VelocityDisplacementQuestion 1 of 40 2. A man weighing 65 kg jumps from a 100 ft high building with a load of 35 kg. What will be the load experienced by him? 200 kgZero100 kg 20 kg Question 2 of 40 3. Which of the following is not the unit of time Leap yearMicro SecondSolar dayParallactic secondQuestion 3 of 40 4. Isotopes of an element contain Equal number of protons and electrons Equal number of nucleonsThe same number of protons but different number of neutrons The same number of neutrons but different number of protonsQuestion 4 of 40 5. Photosynthesis takes place faster in ? White lightRed lightDarknessYellow light Question 5 of 40 6. An air bubble in water will act like a Concave lensConcave mirror Convex mirrorConvex lens Question 6 of 40 7. Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse? NeitherBoth100 W 25 WQuestion 7 of 40 8. Ball bearings are used in cycles, scooters etc to? Reduce the friction between ground and the whee Increase the friction between the wheel and the axle None of the aboveReduce the friction between the wheel and the axleQuestion 8 of 40 9. Metals are good conductors of electricity because? All of the aboveThey contain free electrons The atoms are lightly packedThey have high melting pointQuestion 9 of 40 10. The planet which is farthest from the Sun is ? Neptune Uranus SaturnPlutoQuestion 10 of 40 11. A periscope works by the principle of Total internal reflection Diffraction Reflection & RefractionRefractionQuestion 11 of 40 12. The image of an object formed on the retina of the eye is Virtual and invertedVirtual and upright Real and uprightReal and invertedQuestion 12 of 40 13. A Newton is equal to which of the following?Kilogram-meter per second Meter per second squaredKilogram-meter per second squaredKilogram per meter-secondQuestion 13 of 40 14. Microphone is used to convert ? Sound waves into electrical energy Electrical energy into sound waves) Sound waves into magnetic currentsSound waves into light raysQuestion 14 of 40 15. The work done by a friction force is:Always zeroAlways negativeEither positive or negative depending upon the situationAlways positive Question 15 of 40 16. Steel is more elastic than Rubber because ? It is a metalRatio of stress to strain is lessRatio of stress to strain is moreIts density is high Question 16 of 40 17. A 10 kilogram body initially moving with a velocity of 10 meters per second makes a head-on collision with a 15 kilogram body initially at rest. The two objects stick together. What is the velocity of the combined system just after the collision?3 meters per second4 meters per second1 meters per second5 meters per secondQuestion 17 of 40 18. A 10 kilogram body initially moving with a velocity of 10 meters per second makes a head-on collision with a 15 kilogram body initially at rest. The two objects stick together. What is the velocity of the combined system just after the collision?4 meters per second5 meters per second1 meters per second3 meters per secondQuestion 18 of 40 19. As a 10 kilogram mass on the end of a spring passes through its equilibrium position, the kinetic energy of the mass is 20 joules. The speed of the mass is:4.0 meters per second 5.0 meters per second6.3 meters per second2.0 meters per second Question 19 of 40 20. As a pendulum is raised to higher altitudes, its period:DecreasesDecreases, then remains the sameRemains the sameIncreases Question 20 of 40 21. To convert a galvanometer to a voltmeter, you should add a:Low resistance in seriesLow resistance in parallelHigh resistance in series High resistance in parallelQuestion 21 of 40 22. When a metal becomes a superconductor, there is a tremendous decrease in its:Electrical resistanceTotal volume Density LengthQuestion 22 of 40 23. Alpha particles are nuclei of:HeliumOxygenNitrogenHydrogen Question 23 of 40 24. A car is moving along a straight horizontal road at a speed of 20 meters per second. The brakes are applied and a constant force of 5000 Newtons decelerates the car to a stop in 10 seconds. The mass of the car is:1250 kilograms 2500 kilograms10,000 kilogram5000 kilogramsQuestion 24 of 40 25. A spring with a force constant of 100 Newtons per meter is loaded with a mass of 1.0 kilogram. The period of vibration of this system is:03 seconds06 seconds63 seconds31 secondsQuestion 25 of 40 26. The relationship between kinetic energy and the potential energy of a swinging pendulum bob is one of the following. Is it:kinetic energy is greater than potential energy kinetic energy plus potential energy equals a constantkinetic energy is less than potential energykinetic energy is equal to potential energy Question 26 of 40 27. A circuit has a resistance of 200 ohms. The resistance of the circuit can be reduced to 120 ohms by adding which of the following to the circuit.300 ohm resistor in parallel80 ohm resistor in series 240 ohm resistor in series150 ohm resistor in parallelQuestion 27 of 40 28. Mirage is an example of Reflection of light & Refraction of light Dispersion of lightTotal Internal Reflection Refraction of light & Total Internal Reflection of lightQuestion 28 of 40 29. What is the SI unit of pressure PascalDyneNewtonJuleQuestion 29 of 40 30. The purpose of choke in tube light is Induce high resistance Induce high voltage Induce low resistanceInduce low voltageQuestion 30 of 40 31. Total internal reflection can take place when light travels from Water to glass Diamond to glassAir to glass Air to waterQuestion 31 of 40 32. When body is accelerated its speed may or may not changeits direction always changes its velocity never changes its speed always changesQuestion 32 of 40 33. The image of an object formed on the retina of the eye is Real and uprightVirtual and uprightVirtual and invertedReal and invertedQuestion 33 of 40 34. Which of the following has the highest frequency? Radio wavesCosmic rayX-raysMicrowavesQuestion 34 of 40 35. Which of the following is the fastest communication channel? Radio waveMicrowaveAll are operating at nearly the same propagation speedOptical fiberQuestion 35 of 40 36. What is 20 degrees Celsius in degrees Kelvin?212 degrees293 degees 100 degrees70 degrees Question 36 of 40 37. The change of a gas to a liquid is called:Vaporization SublimationCondensationFreezingQuestion 37 of 40 38. A car is moving along a straight horizontal road at a speed of 20 meters per second. The brakes are applied and a constant force of 5000 Newtons decelerates the nbcar to a stop in 10 seconds. The mass of the car is: 1250 kilograms 2500 kilograms 5000 kilograms 10,000 kilogramsQuestion 38 of 40 39. The first instrument used for measuring temperature was the gas thermoscope invented by:CentigradeFahrenheitCelsius GalileoQuestion 39 of 40 40. A 10,000-watt motor operates an elevator weighing 5000 newtons. Assuming no frictional losses, how high is the elevator raised in 10 seconds. Is it raised:2 meters 100 meters50 meters20 metersQuestion 40 of 40 Loading...
nelson hakimmich August 23, 2022 at 1:41 pm OK! It is enjoyable and interesting, I wound like to know if I can find some UCE past papers in your web ,so that I download. The lesson is enjoyable. Reply
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OK! It is enjoyable and interesting, I wound like to know if I can find some UCE past papers in your web ,so that I download. The lesson is enjoyable.