This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Physics > Physics – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the net force? 250 N 20 N< ..... $\rightarrow$ A) 25 N to the left. B) -270 N to the left. C) -230 N to the left. D) -230 N to the right. Show Answer Correct Answer: C) -230 N to the left. 2. Superconductors are substances which A) Conduct electricity at low temperature. B) Offer no resistance to the flow of electricity. C) Offer high resistance to the flow of current. D) Conduct electricity at high temperatures. Show Answer Correct Answer: B) Offer no resistance to the flow of electricity. 3. What does the rotational inertia describe? A) How the mass of an object is distributed. B) How a force can rotate an object. C) The average position of mass in an extended object. D) How a force can rotate an object. Show Answer Correct Answer: A) How the mass of an object is distributed. 4. Five kilometers is ..... m. A) 5000m. B) 50m. C) 5m. D) 500m. Show Answer Correct Answer: A) 5000m. 5. Electric Motor converts A) Electrical energy into light energy. B) Mechanical energy into Electrical energy. C) Electrical energy into mechanical energy. D) None of above. Show Answer Correct Answer: C) Electrical energy into mechanical energy. 6. Which is the most common capacitor which involves two separate conductor plates separated from one another by a dielectric? A) Parallel-plate capacitor. B) Non-polarized capacitor. C) Series-plate capacitor. D) Electrolytic capacitor. Show Answer Correct Answer: A) Parallel-plate capacitor. 7. What happens to the image produced by a pinhole camera when you move the back wall farther from the pinhole? It becomes ..... A) Larger and brighter. B) Larger and fainter. C) Smaller and fainter. D) Smaller and brighter. Show Answer Correct Answer: B) Larger and fainter. 8. Momentum is inertia in motion. It is the product of an object's mass and its ..... A) Velocity. B) Interia. C) Force. D) Size. Show Answer Correct Answer: A) Velocity. 9. If all or a significant part of a stall strip is missing on an airplane wing, a likely result will be. A) Asymmetrical lateral control at a near stall angles of attack. B) Decreased lift In the urea of installation at high angles. C) Asymmetrical lateral control at low angles of attack. D) None of above. Show Answer Correct Answer: A) Asymmetrical lateral control at a near stall angles of attack. 10. Extrapolation means A) To use the measured data to predict something outside of what was measured. B) To use the measured data to predict something between two data points. C) A term used when you have an extra pole. D) A random guess. Show Answer Correct Answer: A) To use the measured data to predict something outside of what was measured. 11. Which object has the greatest Kinetic Energy? A) 2 kg rock traveling at 1 m/s. B) 3 kg wagon traveling at 1 m/s. C) 1 kg cannon ball traveling at 1 m/s. D) 2.5 kg gallon of water sliding at 1 m/s. Show Answer Correct Answer: B) 3 kg wagon traveling at 1 m/s. 12. Radiocarbon dating technique is used to estimate the age of A) Monuments. B) Rocks. C) Fossils. D) Soil. Show Answer Correct Answer: C) Fossils. 13. The SI unit for magnetic field is A) Tesla (T). B) N/col. C) Torr. D) Kg/m3. Show Answer Correct Answer: A) Tesla (T). 14. It is the technique of converting between units A) Unit prefixes. B) Derived units. C) Dimensional analysis. D) Metric system. Show Answer Correct Answer: C) Dimensional analysis. 15. How fast are you going right now relative to the ground? A) Relative to what?. B) 1000 m/s for some reason. C) 0 m/s sitting here taking this quiz. D) Depends on my frame of reference. Show Answer Correct Answer: C) 0 m/s sitting here taking this quiz. 16. Lightning conductors are made up of ..... A) Copper. B) Steel. C) Aluminium. D) Iron. Show Answer Correct Answer: A) Copper. 17. The greater the change in temperature, the ..... the amount of heat transferred. A) Lesser. B) Fewer. C) Greater. D) Cannot be determined. Show Answer Correct Answer: C) Greater. 18. For large areas such as a town, the unit of area used is A) Sq. ft. B) Sq. km. C) Sq. yds. D) Sq. m. Show Answer Correct Answer: B) Sq. km. 19. The Element of an electric heater is made of..... A) Copper. B) Aluminum. C) Nichrome. D) None of these. Show Answer Correct Answer: C) Nichrome. 20. When isaac newton died? A) March 31, 1727. B) March 31, 1728. C) March 13, 1727. D) None of above. Show Answer Correct Answer: A) March 31, 1727. 21. All factors kept constant, what will happen to power if the height at which an object is lifted is tripled? A) It will become 9 times its original value. B) It will be reduced to 1/3 of its original value. C) It will stay the same. D) It will be tripled. Show Answer Correct Answer: D) It will be tripled. 22. If a book weighs 5000 grams, how many kilograms does it weigh? A) 5kg. B) 500 kg. C) 50 kg. D) 0.5 kg. Show Answer Correct Answer: A) 5kg. 23. A pulley that is attached to a structure A) Load. B) Inclined plane. C) Fixed pulley. D) Spring scale. Show Answer Correct Answer: C) Fixed pulley. 24. Isaac Newton's First Law of Motion also states that a body in motion continues to move at a constant ..... in a straight line unless acted upon by an external force. A) Stationary. B) Inertia. C) Speed. D) Curve. Show Answer Correct Answer: C) Speed. 25. Which of the following measurements is not expressed in standard unit? A) 12 pounds. B) 12 Kelvin. C) 12 hours. D) 12 feet. Show Answer Correct Answer: B) 12 Kelvin. 26. Which of the following is the formula for finding how fast did the object travel? A) Speed=t x d. B) Speed=t/d. C) Speed=d x t. D) Speed=d/t. Show Answer Correct Answer: D) Speed=d/t. 27. The ability of an object to store electric charge A) Capacitors. B) Capacitance. C) Capacitance in Parallel. D) Capacitance in Series. Show Answer Correct Answer: B) Capacitance. 28. Which of the following is the best description of kinetic energy? A) Energy of position. B) Energy of motion. C) Ability to do work. D) None of above. Show Answer Correct Answer: B) Energy of motion. 29. What is projectile motion? A) Motion of the force exerted to an object. B) Object thrown at the earth's surface. C) Motion of the force present in an object. D) Motion of an object thrown into the air. Show Answer Correct Answer: D) Motion of an object thrown into the air. 30. You drive 6.0 km at 50 km/h and then another 6.0 km at 90 km/h. Your average speed over the 12 km drive will be A) Greater than 70 km/h. B) Exactly 38 km/h. C) Equal to 70 km/h. D) Less than 70 km/h. Show Answer Correct Answer: D) Less than 70 km/h. 31. What is 7.5 millimeters expressed in centimeters? A) 0.75 cm. B) 7.5 cm. C) 0.075 cm. D) 75 cm. Show Answer Correct Answer: A) 0.75 cm. 32. If two forces 20 N towards North and 12 N towards South are acting on an object. What will be the resultant force? A) 32 N South. B) 8 N North. C) 20 N South. D) 32 N North. Show Answer Correct Answer: A) 32 N South. 33. Which of the following is a unit for acceleration? A) Km/s. B) M/s2. C) Mi/hr. D) None of above. Show Answer Correct Answer: B) M/s2. 34. A student wishes to convert from cm to m. To do this they need to move the decimal point A) 3 spaces to the right. B) 3 spaces to the left. C) 2 spaces to the left. D) 2 spaces to the right. Show Answer Correct Answer: C) 2 spaces to the left. 35. Which of the following is the most effective conductor? A) Wood. B) Iron. C) Water. D) Oil. Show Answer Correct Answer: B) Iron. 36. Which of the following shows a non-uniform circular motion? A) Earth's revolution around the sun. B) An ice skater skating in a circular path with constant speed. C) A satellite moving in outer space orbiting the Earth. D) A car rounding a curve with constant radius and speed. Show Answer Correct Answer: A) Earth's revolution around the sun. 37. It is the failure of an insulating material to prevent the flow of current under an applied electrical stress. A) Capacitance breakdown. B) Dielectric Strength. C) Terminal voltage. D) Dielectric breakdown. Show Answer Correct Answer: D) Dielectric breakdown. 38. A rectangular gymnasium is 50 m long, 25 m wide and 8.0 m high. The density of air is 1.2 kg / m3 . What is the best estimate of the mass of air in the gymnasium? A) 0.00012 kg. B) 8300 kg. C) 12 000kg. D) 100 kg. Show Answer Correct Answer: C) 12 000kg. 39. UNIT OF ENERGY IS A) KELVIN. B) JOULE. C) NOTHING. D) NEWTON. Show Answer Correct Answer: B) JOULE. 40. Vehicle size helps you in all collisions, while ..... primarily helps in two-vehicle collisions. A) Density. B) Inertia. C) Weight. D) Speed. Show Answer Correct Answer: C) Weight. 41. What is the magnitude of the resultant vector after adding Vector A that has magnitude and direction of 6 m due West and Vector B which has a magnitude and direction of 8 m due South? A) 10 m. B) 100 m. C) 10 m, 53$^ \circ$ S of W. D) 10. Show Answer Correct Answer: A) 10 m. 42. If you roll a large sheet of paper into a funnel, you can hear the sound better. This process of increasing the loudness of a sound is called ..... A) Measuring a wave. B) Amplification. C) Absorption. D) Reflection. Show Answer Correct Answer: B) Amplification. 43. A force is a ..... A) Push or pull. B) Quantity that causes motion. C) Quantity that always has a reaction. D) All of these. Show Answer Correct Answer: D) All of these. 44. When you know speed and direction you know A) Momentum. B) Force. C) Velocity. D) Acceleration. Show Answer Correct Answer: C) Velocity. 45. The unit m 3 is used to express A) Density. B) Volume. C) Length. D) Mass. Show Answer Correct Answer: B) Volume. 46. Solve for x:2x + 3 =7 A) No answer. B) 1/2. C) 2. D) 6. Show Answer Correct Answer: C) 2. 47. The maximum value of electric field before breakdown occurs and charges begin to flow. A) Terminal Voltage. B) Dielectric Strength. C) Capacitance. D) Dielectric Breakdown. Show Answer Correct Answer: B) Dielectric Strength. 48. A 500-g bottled water fell from a 20-m tall building. Just before hitting the ground, what will be its kinetic energy if air resistance is negligible? A) 98 J. B) 10 J. C) 0 J. D) 98, 000. Show Answer Correct Answer: A) 98 J. 49. What do you call the path of a projectile? A) A curved path. B) A road to success. C) A projector. D) A trajectory. Show Answer Correct Answer: D) A trajectory. 50. Which of the following is the displacement of the projectile motion in the horizontal direction? A) Range. B) Height. C) Distance along y-axis. D) Initial velocity. Show Answer Correct Answer: A) Range. 51. What is a basic property of matter carried by some elementaryparticles that govern how the particles are affected by an electric or magnetic field? A) Electronegativity. B) Mass. C) Magnetism. D) Electric charge. Show Answer Correct Answer: D) Electric charge. 52. Which one of these options is NOT a vector quantity A) Momentum. B) Displacement. C) Force. D) Energy. Show Answer Correct Answer: D) Energy. 53. If the Sun all of the sudden vanished/disappeared how long would it take for the Earth's orbit to be affected by this? A) Instantaneously. B) 8 minutes. C) 3 ly. D) None of above. Show Answer Correct Answer: B) 8 minutes. 54. If velocity of all fluid particles is same all the time then it is called A) Streamline Flow. B) Terminal Velocity. C) Viscous Force. D) Critical Velocity. Show Answer Correct Answer: A) Streamline Flow. 55. What determines the strength of gravitational attraction between two objects? A) Mass and distance. B) Size and mass. C) Density and mass. D) Density and size. Show Answer Correct Answer: A) Mass and distance. 56. Widely used in electronic circuits and sometimes are called ..... A) Insulators. B) Dielectric. C) Capacitors. D) Condensers. Show Answer Correct Answer: D) Condensers. 57. How is the direction of the electric field lines related to the equipotential surface? A) Perpendicular. B) Parallel. C) Depends on the sign of the charge. D) Undetermined. Show Answer Correct Answer: A) Perpendicular. 58. Which of the following is the gravitational force exerted by the Earth's gravity? A) Mass. B) Density. C) Weight. D) Acceleration. Show Answer Correct Answer: C) Weight. 59. Growth of the baby in the uterus is found using..... A) Gamma rays. B) Ultra Violet rays. C) Ultra sound. D) X-rays. Show Answer Correct Answer: C) Ultra sound. 60. A spring of spring constant 30.0 N/m is attached to a mass of 1.9 kg; find the period and frequency of vibration for this system. A) 1.6 s; 0.62 Hz. B) 0.25 s; 0.0014 Hz. C) 0.43 s; 0.0072 Hz. D) None of above. Show Answer Correct Answer: A) 1.6 s; 0.62 Hz. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesPhysics Quiz 1Physics Quiz 3Physics Quiz 4Physics Quiz 5Physics Quiz 6Physics Quiz 7Physics Quiz 8Physics Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books