This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Physics > Physics – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 14 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How far does a car that weighs 5, 000 N go if 18, 000 J of work is done on it? w=Fd A) 3.2 m. B) 3.8 m. C) 3.7 m. D) 3.6 m. Show Answer Correct Answer: D) 3.6 m. 2. Scalar Quantities are A) Physical quantities which have magnitude only and no direction. B) Physical quantities which have no magnitude only and only direction. C) Physical quantities which have magnitude only and direction. D) Physical quantities which have no magnitude and no direction. Show Answer Correct Answer: A) Physical quantities which have magnitude only and no direction. 3. If the acceleration of an object is zero, then that object cannot be moving. A) False. B) Either true or false. C) True. D) Neither true nor false. Show Answer Correct Answer: C) True. 4. Which condition is actual amount of water vapor in a mixture of air and water? A) Relative humidity. B) Dew point. C) Absolute humidity. D) None of above. Show Answer Correct Answer: C) Absolute humidity. 5. A car joins a road at a speed of 14 m / s and accelerates at 4.0 m / s2 for 5.0 seconds. What is the final speed of the car? A) 18 m / s. B) 32 m / s. C) 20 m / s. D) 34 m / s. Show Answer Correct Answer: D) 34 m / s. 6. The rear seats of most cars lack seat belt systems with crash tensioners and ..... A) Force multipliers. B) Force limiters. C) Crash torsioners. D) Crash stressors. Show Answer Correct Answer: B) Force limiters. 7. What is the rate of acceleration of a mountain bike if it slows down from 9.4 m/s to 3.0 m/s in a time of 3.75 s? A) -1.71 m/s2. B) -2.07 m/s2. C) -0.61 m/s2. D) -1.19 m/s2. Show Answer Correct Answer: A) -1.71 m/s2. 8. At what point do vertical acceleration of a projectile highest? A) The highest point. B) The lowest point. C) On the way up and the way down. D) Same everywhere. Show Answer Correct Answer: D) Same everywhere. 9. The dimensions of Kinetic energy is same as that of A) Work. B) Force. C) Momentum. D) Pressure. Show Answer Correct Answer: A) Work. 10. Like charges always A) Attract. B) Repel. C) Both attract and repel. D) None of these. Show Answer Correct Answer: B) Repel. 11. The following light wave that has the highest energy is A) Blue. B) Red. C) Green. D) Violet. Show Answer Correct Answer: D) Violet. 12. The two ends of a 3.0-ohm resistor are connected to a 9.0-V battery. What is the total power delivered by the battery to the circuit? A) 27 W. B) 3.0 W. C) 0.11 W. D) 0.33 W. Show Answer Correct Answer: A) 27 W. 13. Stars which appear single to the naked eye but are double when seen through a telescope are A) Quasars. B) Binaries. C) Asteroids. D) Novas and supernovas. Show Answer Correct Answer: B) Binaries. 14. If the temperature of a confined liquid is held constant and its pressure is tripled, the volume will A) Triple. B) Be reduced to one third its originalVolume. C) Remain the same. D) None of above. Show Answer Correct Answer: C) Remain the same. 15. The measure of how hard it is for electrons to move in an electrical circuit A) Electric Current. B) Electric Circuit. C) Ohm's Law. D) Resistance. Show Answer Correct Answer: D) Resistance. 16. The following three appliances are connected to a 120-V house circuit:i) toaster, 1 200 W, ii) coffee pot, 750 W, and iii) microwave, 800 W. If all were operated at the same time, what total current would they draw? A) 23 A. B) 3.0 A. C) 10 A. D) 5.0 A. Show Answer Correct Answer: A) 23 A. 17. Physical quantities that cannot be derived from other physical quantities are A) Physical quantity. B) Scalar quantity. C) Derived quantity. D) Base quantity. Show Answer Correct Answer: D) Base quantity. 18. Which equation defines Hooke's Law? A) F = k x. B) F = 1/2 k x. C) F = 1/2 k x2. D) F = x. Show Answer Correct Answer: A) F = k x. 19. What is 4.1 x 10-5 ns in standard notation? A) 410 000 ns. B) 0.000 004 1 ns. C) 4 100 000 ns. D) 0.000 041 ns. Show Answer Correct Answer: D) 0.000 041 ns. 20. The purpose of stall strips on airplane wings is to A) Increase lift in the areas of installation. B) Prevent stall in the areas of installation. C) Ensure that the wing root areas stall first. D) None of above. Show Answer Correct Answer: C) Ensure that the wing root areas stall first. 21. If you wanted to raise the internal energy of a bucket of 20$^ \circ$C water, you could A) Place ice in the bucket. B) Place it in a refrigerator. C) Let the bucket stand at room temperature if the room is less than 20$^ \circ$C. D) Add 25$^ \circ$C water in the bucket. Show Answer Correct Answer: D) Add 25$^ \circ$C water in the bucket. 22. A crumpled piece of paper hits the ground before a flat sheet of paper because A) There is more air resistance against the flat paper. B) The crumpled paper is less massive. C) The crumpled paper is more massive. D) The acceleration of gravity is greater on the crumpled paper. Show Answer Correct Answer: A) There is more air resistance against the flat paper. 23. What is wave period? A) The distance travelled by a wave in one second. B) The shape of the waveform. C) The time taken to complete one complete cycle. D) The number of complete cycles in one second. Show Answer Correct Answer: C) The time taken to complete one complete cycle. 24. According to Newton's first law of motion, a moving object that is not acted on by an unbalanced force will A) Remain in motion. B) Eventually come to a stop. C) Change its momentum. D) Accelerate. Show Answer Correct Answer: A) Remain in motion. 25. If we drop a steel sphere and a ping pong ball, the steel sphere will ..... A) Hit the ground first because it has more mass. B) Hit the ground second because it takes longer to accelerate. C) Hit the ground at the same time as the ping pong ball. D) None of above. Show Answer Correct Answer: C) Hit the ground at the same time as the ping pong ball. 26. What is a gravitational field? A) The amount of matter an object is made from. B) The force of gravity acting on an object. C) The area around an object where the force of gravity is experienced. D) None of above. Show Answer Correct Answer: C) The area around an object where the force of gravity is experienced. 27. In which city will be the olympic games 2020? A) Tokio, Japan. B) Seul, South Korea. C) Moscow, Russia. D) Rome, Italy. Show Answer Correct Answer: A) Tokio, Japan. 28. Which of the following is not a unit of pressure A) Torr. B) Pa. C) Watt. D) Bar. Show Answer Correct Answer: C) Watt. 29. Which of the following formula used to measure how long does the journey take place. A) Time= S x d. B) Time= d x S. C) Time= S/d. D) Time= d/S. Show Answer Correct Answer: D) Time= d/S. 30. A ..... force is the total force felt by an object. A) Sum. B) Net. C) Strong. D) Balanced. Show Answer Correct Answer: B) Net. 31. Select the list which contains only SI basic units. A) Liter, meter, second, watt. B) Joule, kelvin, kilogram, watt. C) Candela, kelvin, meter, second. D) Joule, newton, second, watt. Show Answer Correct Answer: C) Candela, kelvin, meter, second. 32. Find the magnitude of the force between two charges of 1.0 C each which are 1.0 meter apart? A) 9E9 N. B) 1.1E10 N. C) 1.1E-10 N. D) 9E-9 N. Show Answer Correct Answer: A) 9E9 N. 33. Give the equivalent of unit of the give units1 gal A) Accuracy. B) 3.788 liters. C) 2.54 cm. D) 4.186 joules. Show Answer Correct Answer: B) 3.788 liters. 34. Of the following properties of a wave, the one that is independent of the other is its A) Wavelength. B) Frequency. C) Amplitude. D) Velocity. Show Answer Correct Answer: C) Amplitude. 35. Rectifiers are used to convert A) Direct current to Alternating current. B) Alternating current to Direct current. C) High voltage to low voltage. D) Low voltage to high voltage. Show Answer Correct Answer: B) Alternating current to Direct current. 36. What is the equivalence principle? A) Gravity and acceleration are the same thing. B) Constant speed and at rest are the same thing. C) Gravity is curvature of space. D) Gravity and constant velocity are the same thing. Show Answer Correct Answer: A) Gravity and acceleration are the same thing. 37. Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2 A) 1.4 km/s. B) 14 m/s. C) 0.14 m/s. D) 140 m/s. Show Answer Correct Answer: B) 14 m/s. 38. Current times Resistance equals (I X R) A) Voltage. B) Amperage. C) Ohm. D) Power. Show Answer Correct Answer: A) Voltage. 39. The metric prefix for one one-thousandth is A) Milli. B) Mega. C) Kilo. D) Centi. Show Answer Correct Answer: A) Milli. 40. If a baseball and a cannonball are dropped from the same height at the same time, which ball will hit the ground first? A) The cannonball. B) The baseball. C) The balls land at the same time. D) The ball with the larger volume. Show Answer Correct Answer: C) The balls land at the same time. 41. An object's stored energy, known as ..... energy, can be determined by knowing the object's position and its condition. A) Thermal. B) Kinetic. C) Potential. D) Chemical. Show Answer Correct Answer: C) Potential. 42. The apparatus used in submarines to give clear view of the objects on the surface of the ocean or ground is known as..... A) Telescope. B) Sectant. C) Stereoscope. D) Periscope. Show Answer Correct Answer: D) Periscope. 43. Which of the following data is NOT a vector quantity? A) 5 km, west. B) 15 m, north. C) 20 km, south. D) 35 m. Show Answer Correct Answer: D) 35 m. 44. What does the 3rd band on a resistor represent? A) The Tolerance level. B) The multiplier. C) A number. D) The electronic range. Show Answer Correct Answer: B) The multiplier. 45. Given that 1 m = 3.28 ft, convert 5.00 m to ft. A) 152 ft. B) 8.28 ft. C) 1.72 ft. D) 16.4 ft. Show Answer Correct Answer: D) 16.4 ft. 46. What is the energy per unit charge? A) Frequency. B) Voltage. C) Current. D) Power. Show Answer Correct Answer: B) Voltage. 47. What is the speed of a ball that moves to about 10 meters in 2 seconds? A) 20m/s. B) 1m/s. C) 5m/s. D) 50m/s. Show Answer Correct Answer: C) 5m/s. 48. The two ends of a 3.0-ohm resistor are connected to a 9.0-V battery. What is the current through the resistor? A) 6.3 A. B) 0.33 A. C) 27 A. D) 3.0 A. Show Answer Correct Answer: D) 3.0 A. 49. In a test a 500 kg car travelling at 10 m s-1 hits a wall. The front 0.30 m of the car crumples as the car is brought to rest. What is the average force on the car during the impact? A) 8300N. B) 830 N. C) 83 000N. D) 7500N. Show Answer Correct Answer: C) 83 000N. 50. Lux is the SI unit of A) Luminous intensity. B) Luminous efficiency. C) Intensity of illumination. D) Luminous flux. Show Answer Correct Answer: C) Intensity of illumination. 51. Which of the following is a derived? A) Moles. B) Temperature. C) Velocity. D) Current. Show Answer Correct Answer: C) Velocity. 52. All electrons that go through one lamp must also go through the other lamp. This means the current (I) is the same for all elements in the circuit. A) Electric Circuit. B) Circuit in Series. C) Circuit in Parallel. D) Potential Difference. Show Answer Correct Answer: B) Circuit in Series. 53. If the velocity of an object is zero, then that object cannot be accelerating. A) Neither true nor false. B) True. C) False. D) Either true or false. Show Answer Correct Answer: B) True. 54. When you stand in front of a full length plane mirror 2m away, your image formed is, A) Real and 1m behind the mirror. B) Real and 2m behind the mirror. C) Virtual and 1 m behind the mirror. D) Virtual and 2m behind the mirror. Show Answer Correct Answer: D) Virtual and 2m behind the mirror. 55. Mechanical waves are created when a source of energy causes a medium to A) Move. B) Vibrate. C) Expand. D) Compress. Show Answer Correct Answer: B) Vibrate. 56. It is the degree to which the result of a measurement, calculation, or specification conforms to the correct value or standard. A) Accuracy. B) Precision. C) Systematic Error. D) Random Error. Show Answer Correct Answer: A) Accuracy. 57. What is the maximum number of 60-W light bulbs you can connect in parallel in a 120-V home circuit without tripping the 30-A circuit breaker? A) 59. B) 11. C) 3600. D) 35. Show Answer Correct Answer: A) 59. 58. As energy transformations occur within a system, the total energy of the system ..... A) Is transferred out of the system. B) Decreases. C) Increases. D) Remains constant. Show Answer Correct Answer: D) Remains constant. 59. It is the method of using the least available unit of measurement in a measuring device. A) Corservative Error Estimate. B) Less Convative Error Estimate. C) Long Count Method. D) Least Count Method. Show Answer Correct Answer: D) Least Count Method. 60. When a body is immersed partly or wholly in a liquid, there is an apparent loss in weight of the body which is equal to the weight of liquid displaced by the body. A) True. B) May be. C) Not sured. D) False. Show Answer Correct Answer: A) True. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesPhysics Quiz 1Physics Quiz 2Physics Quiz 3Physics Quiz 4Physics Quiz 5Physics Quiz 6Physics Quiz 7Physics Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books