This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Physics > Physics – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Device that stores energy by having 2 oppositely charged plate. A) Capacitors. B) Capacitance. C) Capacitance in Parallel. D) Capacitance in Series. Show Answer Correct Answer: A) Capacitors. 2. Which is the correct equation for calculating the speed of a wave? A) T = 1/f. B) Speed = Wavelength/Frequency. C) Speed= Wavelength x Frequency. D) Speed= Wavelength x Period. Show Answer Correct Answer: C) Speed= Wavelength x Frequency. 3. A force acts on an area to produce a pressure.Which changes produce the same pressure? A) Double the area and double the force. B) Double the area and halve the force. C) Double the area and make the force four times bigger. D) Halve the area and double the force. Show Answer Correct Answer: A) Double the area and double the force. 4. Sudden fall in barometer is indication of A) Storm. B) Tide. C) Clear weather. D) Rain. Show Answer Correct Answer: A) Storm. 5. What is a contact force? A) A force that involves objects physically touching. B) A force that involves objects being very close. C) A force that involves objects that are not physically touching. D) None of above. Show Answer Correct Answer: A) A force that involves objects physically touching. 6. Power is defined as the A) Force on an object divided by the time the force acts. B) Work done times the time taken to do that work. C) Force on an object times the distance the object moves. D) Work done on an object divided by the time to do the work. Show Answer Correct Answer: D) Work done on an object divided by the time to do the work. 7. Centimeters is ..... meters? A) 2 meters. B) 50 meters. C) 5 meters. D) 0.5 meters. Show Answer Correct Answer: D) 0.5 meters. 8. When capacitors in parallel (3 capacitors), the equivalent capacitance is A) C = QV1 + QV2 + QV3. B) C = 1/C1 + 1/C2 + 1/C3. C) C = C1 + C2 + C3. D) C = QV1 + QV2 + QV3. Show Answer Correct Answer: C) C = C1 + C2 + C3. 9. $ \frac{\sum_{ }^{ }x}{n}=\overline{x}$ is used to determine ..... A) Percent Error. B) Percent Error. C) Average. D) Accuracy. Show Answer Correct Answer: C) Average. 10. In a perfectly inelastic collision, a ball dropped from a certain height would bounce A) At a lesser height. B) At a greater height. C) Would stick to the floor. D) At the same height. Show Answer Correct Answer: C) Would stick to the floor. 11. The boiling point of a given liquid varies A) Inversely with pressure. B) Directly with pressure. C) Directly with density. D) None of above. Show Answer Correct Answer: B) Directly with pressure. 12. Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit A) Radio waves. B) Visible light. C) Ultraviolet light. D) X-rays. Show Answer Correct Answer: B) Visible light. 13. Conductors have ..... electrons in their last orbit ring. A) 5-8. B) 0. C) 1-3. D) 4. Show Answer Correct Answer: A) 5-8. 14. If a cat has a initial time of 0s, and an initial distance of 0s. Later it has a final time of 50 s, and a final distance of 70 m. What is the velocity? A) 1.4 m/s. B) 0.714 m/s. C) 1.142 m/s. D) None of above. Show Answer Correct Answer: A) 1.4 m/s. 15. The time period of a simple pendulum of length 1 m is A) 4sec. B) 1 sec. C) 2 sec. D) 3 sec. Show Answer Correct Answer: C) 2 sec. 16. A train begins a journey from a station and travels 60 km in a time of 20 minutes. What is the average speed of the train? A) 5.0 m / s. B) 60 m / s. C) 50 m / s. D) 3.0 m / s. Show Answer Correct Answer: C) 50 m / s. 17. Suppose you are rotating in a chair with 2 equal masses held in each outstretched hand and you drop them. What happens to your angular velocity? A) Increase. B) Stays the same. C) Is lost. D) Decrease. Show Answer Correct Answer: B) Stays the same. 18. The following light wave that has the longest wavelength is A) Red. B) Violet. C) Blue. D) Green. Show Answer Correct Answer: A) Red. 19. A bowling ball is dropped in a vacuum chamber. As it falls, the acceleration of the bowling ball A) Decreases. B) Increases. C) Remains the same. D) None of above. Show Answer Correct Answer: C) Remains the same. 20. Ball pen works on the principle of ..... A) Viscosity. B) Boyle's Law. C) Gravitational force. D) Capillarity and surface tension. Show Answer Correct Answer: D) Capillarity and surface tension. 21. What do we put at the top of a graph? A) Nothing. B) Data table. C) Title. D) X axis. Show Answer Correct Answer: C) Title. 22. Which of these is a very good insulator? A) Wood. B) Water. C) Rubber. D) Silver. Show Answer Correct Answer: C) Rubber. 23. What is the longest Man Made structure on earth? A) Burj Khalifa. B) Great Wall of China. C) Statue of Liberty. D) Taj Mahal. Show Answer Correct Answer: B) Great Wall of China. 24. What does the area under the speed-time graph give you? A) Speed value. B) Acceleration value. C) Distance value. D) The area value. Show Answer Correct Answer: C) Distance value. 25. It is a formula used to calculate the relationship between voltage, current, and resistance in an electrical circuit. A) Alternating Current (AC). B) Ohm's Law. C) Direct Current (DC). D) Electric Current. Show Answer Correct Answer: B) Ohm's Law. 26. What must you do at a STOP sign? A) Stop at least two metres before the sign. B) Stop and give way to all traffic on the crossroad. C) Slow down and be prepared to stop if any traffic is approaching. D) None of above. Show Answer Correct Answer: B) Stop and give way to all traffic on the crossroad. 27. At rest on the Earth would feel exactly like ..... A) Being on a rocket in space accelerating upwards at 9.8 m/s2. B) Being on a rocket in space that is at rest. C) Being on a rocket in space moving at a constant velocity. D) Being at rest on Jupiter. Show Answer Correct Answer: A) Being on a rocket in space accelerating upwards at 9.8 m/s2. 28. What is the constant value of the acceleration due to gravity? A) 9.80 /s2. B) 9.80 m/s2. C) -9.80 m/s2. D) 9.80 m/s. Show Answer Correct Answer: C) -9.80 m/s2. 29. Which of the following is NOT true about the following water temperature readings? I. 0 $^ \circ$C II. 373 K III. 212 $^ \circ$F IV. 0 K A) II is the boiling temperature of water. B) III is warmer than I. C) I is as cold as IV. D) II is as hot as III. Show Answer Correct Answer: C) I is as cold as IV. 30. When an object covers equal distance? A) When the object travel twice. B) When the object travels in the opposite direction. C) When the object travel as fast they could. D) When the object travels at a constant speed. Show Answer Correct Answer: B) When the object travels in the opposite direction. 31. A beaker is left out in the rains. Will the rate at which the beaker is filled be altered if wind starts to blow? A) Yes. B) No. C) Not sure. D) None of above. Show Answer Correct Answer: B) No. 32. A 5 C and 8 C are 8 m apart. What is the force between them? A) 5.625 x 109. B) 4.5 x 1010. C) 5.625 x 10-9. D) 4.5 x 10-10. Show Answer Correct Answer: A) 5.625 x 109. 33. Siphon will fail to work if A) The level of the liquid in the two vessels are at the same height. B) The temperature of the liquids in the two vessels are the same. C) The densities of the liquid in the two vessels are equal. D) Both its limbs are of unequal length. Show Answer Correct Answer: A) The level of the liquid in the two vessels are at the same height. 34. Convert 1.2 ft/s to m/s. 1 m = 3.28 ft A) 4.48 m/s. B) 2.08 m/s. C) 0.366m/s. D) 3.936 m/s. Show Answer Correct Answer: C) 0.366m/s. 35. Electromagnetic spectrum consists of the following radiations I. X-rays II. Gamma rays III. Ultraviolet radiations .Choose the correct order of code in the increasing order of their frequency A) II, I, III, IV. B) IV, III, I, II. C) I, III, II, IV. D) IV, II, III, I. Show Answer Correct Answer: B) IV, III, I, II. 36. Which of the following is the SI unit of distance? A) Meters per sec. B) Meters. C) Seconds. D) Kilometers per Hour. Show Answer Correct Answer: B) Meters. 37. Which of the following is the basic unit for measuring distance? A) Meter. B) Second. C) Hour. D) Minute. Show Answer Correct Answer: A) Meter. 38. To say that water has a high specific heat capacity is to say that water A) Requires little energy in order to increase in temperature. B) Gives off a lot of energy in cooling. C) Absorbs little energy for a small increase in temperature. D) Cools at a rapid rate. Show Answer Correct Answer: B) Gives off a lot of energy in cooling. 39. What is frequency of a wave? A) The number of complete cycles per second. B) The time taken to complete one cycle. C) The displacement between equilibrium position and maximum position of the wave particle. D) The length travelled by a wave in one second. Show Answer Correct Answer: A) The number of complete cycles per second. 40. If the Voltage stays the same and Resistance is increased, Current will A) Decrease. B) Stay the same. C) X. D) Increase. Show Answer Correct Answer: A) Decrease. 41. How many basic units does the SI system have A) 7. B) 10. C) 4. D) 5. Show Answer Correct Answer: A) 7. 42. Galvanometer can be converted into a voltmeter by using A) Low resistance in series. B) High resistance in series. C) Low resistance in parallel. D) High resistance in parallel. Show Answer Correct Answer: B) High resistance in series. 43. Consists of a pair of parallel plates of area (A) separated by a small distance (d). A) Condensers. B) Insulators. C) Dielectric. D) Simple Capacitor. Show Answer Correct Answer: D) Simple Capacitor. 44. Which of the following is the equivalence of kilometer? A) 10-3. B) 103. C) 101. D) 102. Show Answer Correct Answer: B) 103. 45. ..... the angle between the normal and the incident ray. A) Angle of incidence. B) Angle of direction. C) Angle of reflection. D) Angle of coincidence. Show Answer Correct Answer: A) Angle of incidence. 46. If we divide 1km into 1000 equal parts, each part will be equal to ..... A) 1dm. B) 1m. C) 1mi. D) 1cm. Show Answer Correct Answer: B) 1m. 47. Which of the following best describes measured values with respect to the exact value? exact value:13.3 mol/kg measured values:11.2 mol/kg, 8.90 mol/kg, 5 mol/kg A) Precise. B) Accurate. C) Both precise and accurate. D) Neither precise nor accurate. Show Answer Correct Answer: D) Neither precise nor accurate. 48. Emmanuel is driving to Pagudpud with his friends Helizabeth and Rico at a speed of 100km/hr. What is the type of quantity was given in the statement? A) Vector. B) Direction. C) Scalar. D) Magnitude. Show Answer Correct Answer: A) Vector. 49. Which of the options below is an example of velocity? A) 200 km/h. B) 20 East. C) 20 m/s. D) 20 m/s East. Show Answer Correct Answer: D) 20 m/s East. 50. Covert 6 721 millimeters to meters. A) 672 100. B) 6.721. C) 67.21. D) 6 721 000. Show Answer Correct Answer: B) 6.721. 51. If a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown what is its displacement? A) 0 m. B) 40 m. C) -20 m. D) 20 m. Show Answer Correct Answer: A) 0 m. 52. What is the unit for work done? A) J. B) N. C) N/kg. D) Kg m/s. Show Answer Correct Answer: A) J. 53. What is a resultant force? A) The sum of all forces acting on an object, taking direction into account. B) The forward force added to the backwards force. C) The backwards force subtracted from the forward force. D) None of above. Show Answer Correct Answer: A) The sum of all forces acting on an object, taking direction into account. 54. Energy changing from one form of energy to another A) Conservation of energy. B) Energy that is requires no movement. C) Energy transformation. D) Matter. Show Answer Correct Answer: C) Energy transformation. 55. It is the force with which the Earth, moon or other massively large objects attract another object towards itself. A) Normal Force. B) Tension Force. C) Applied Force. D) Weight. Show Answer Correct Answer: D) Weight. 56. On a stationary sail boat, air is blown from a fan attached to the boat. The boat A) Does not move. B) Moves in the same direction in which air blows. C) Spins around. D) Moves in opposite direction in which the air is blown. Show Answer Correct Answer: A) Does not move. 57. A boy walks far 5km along a direction 530 West of North. Which of the following journeys would result in the same displacement? A) 4km N, 3 km W. B) 3 km N, 4 km W. C) 3 km N, 2 km W. D) 4 km W, 3 km W. Show Answer Correct Answer: C) 3 km N, 2 km W. 58. What happens to the universal gravitational constant if the masses of the two objects interacting gravitationally are doubled? A) It is halved. B) It stays the same. C) It becomes zero. D) It is doubled. Show Answer Correct Answer: B) It stays the same. 59. As the value of r increases, what happens to the value of F? A) F decreases. B) Cannot know from the information. C) F increases. D) F never changes, q does. Show Answer Correct Answer: A) F decreases. 60. It is the path for transmitting electric current. A) Electric Circuit. B) Circuit in Series. C) Circuit in Parallel. D) Potential Difference. Show Answer Correct Answer: A) Electric Circuit. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesPhysics Quiz 1Physics Quiz 2Physics Quiz 4Physics Quiz 5Physics Quiz 6Physics Quiz 7Physics Quiz 8Physics Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books