This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Physics > Physics Basics > Physics – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 13 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When performing the calculation 34.530 g + 12.1 g + 1222.34 g the final answer must have A) Three decimal places. B) Two decimal places. C) One decimal place. D) Three significant figures. Show Answer Correct Answer: C) One decimal place. 2. Time taken for 20 swings is 46 seconds. how much time is needed for 1 swing A) 0.43478. B) 3.2. C) 20.46s. D) 2.3 seconds. Show Answer Correct Answer: D) 2.3 seconds. 3. N unbalanced force applied to push a stuffed chair across the room, causing an acceleration of 4.2 m/s2. What is the mass of the chair? A) 63.69 kg. B) 1123.5 kg. C) 26.75 kg. D) 263.3 kg. Show Answer Correct Answer: A) 63.69 kg. 4. Which of the following best explains why the sand at the beach is hotter than the water? A) Sand has a higher specific heat than water. B) Sand has a lower specific heat than water. C) There is more water than sand at the beach. D) There is more sand than water at the beach. Show Answer Correct Answer: B) Sand has a lower specific heat than water. 5. A 3 kg fish hangs from a fishing line, at rest. What is the tension in the string A) 3.27 N. B) 29.43 kg. C) 29.43 N. D) 3 N. Show Answer Correct Answer: C) 29.43 N. 6. Which of the following is the MOST suitable for measuring the diameter of a wire? A) Micrometer screw gauge. B) Vernier Calipers. C) Tape measure. D) Metric rule. Show Answer Correct Answer: A) Micrometer screw gauge. 7. It is an any subtances that has matter and takes up space by having volume A) Energy. B) Atom. C) Matter. D) Force. Show Answer Correct Answer: C) Matter. 8. What is the unit of magnetic flux density (B)? A) Ampere (A). B) Henry (H). C) Tesla (T). D) Weber (Wb). Show Answer Correct Answer: C) Tesla (T). 9. Calculate 345.009 g-23.009 g and give your answer with the appropriate number of significant figures. A) 322.00 g. B) 322.000 g. C) 322 g. D) 322. Show Answer Correct Answer: B) 322.000 g. 10. Identify at least two areas of physics involved in the following:Bungee jumping A) Vibrations and wave phenomena, electromagnetism. B) Mechanics, vibrations and wave phenomena. C) Optics, thermodynamics. D) Thermodynamics, mechanics. Show Answer Correct Answer: B) Mechanics, vibrations and wave phenomena. 11. What is transferred by a wave? A) Energy. B) Matter. C) Both energy & matter. D) None of above. Show Answer Correct Answer: A) Energy. 12. A race car circles a 1500 meter track 5 times.The total displacement of the race car is ..... A) 7500 meters. B) 1500 meters. C) 0 meters. D) Must know time to determine answer. Show Answer Correct Answer: C) 0 meters. 13. The branch of physics that deals with light and vision is called A) Prisms. B) Optics. C) Wavelength. D) None of above. Show Answer Correct Answer: B) Optics. 14. Branch of Physics that includes various areas of study based on quantum theory, which deals with the matter and electromagnetic radiation, and interactions between them. A) Quantum Physics. B) Atomic or Nuclear Physics. C) Electromagnetism. D) Thermodynamics. Show Answer Correct Answer: A) Quantum Physics. 15. Which of the following a scalar quantity? A) Acceleration. B) Energy. C) Weight. D) Velocity. Show Answer Correct Answer: B) Energy. 16. If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ..... A) One reaches a temperature of zero. B) They both have an equal temperature. C) One runs out of energy. D) None of above. Show Answer Correct Answer: B) They both have an equal temperature. 17. A measurement of the force of gravity on a person or object. A) Weight. B) Mass. C) Friction. D) Gravity. Show Answer Correct Answer: A) Weight. 18. Units of Force (F) A) S. B) N. C) Kg. D) M. Show Answer Correct Answer: B) N. 19. Is directly proportional to distance and inversely proportional to time A) Impuls. B) Speed. C) Kinetic energy. D) None of above. Show Answer Correct Answer: B) Speed. 20. Find the velocity of a plane that traveled 3000 miles west in 5 hours. A) 65 mph west. B) 600 mph west. C) 6000 mph west. D) 6 mph west. Show Answer Correct Answer: B) 600 mph west. 21. Convex Lens is also called as A) Diverging lens. B) Converging lens. C) Both A & B. D) None of these. Show Answer Correct Answer: B) Converging lens. 22. Many car passengers have suffered neck injuries when hit by cars from behind. How does Newton's law of inertia explain this? A) The inertia of the car causes the head to jerk forward. B) The inertia of the head causes it to remain in place, while the car and body move forward. C) The inertia of the head causes it to jerk forward, while the car remains in place. D) This has to do with Newton's second law, not first. Show Answer Correct Answer: B) The inertia of the head causes it to remain in place, while the car and body move forward. 23. Light traveling from air to some unknown material makes an angle of 40 degrees to the normal and refracts at an angle of 26 degrees, what is the index of refraction of the new material? A) 1.67. B) 0.68. C) 1.47. D) 1.2. Show Answer Correct Answer: C) 1.47. 24. Which of the following shows the energy transformation that occurs when solar panels are used to heat a building? A) Chemical $\rightarrow$ electrical. B) Light $\rightarrow$ mechanical. C) Thermal $\rightarrow$ chemical. D) Light $\rightarrow$ thermal. Show Answer Correct Answer: D) Light $\rightarrow$ thermal. 25. What is the potential energy of a 5 N object that is raised 5 m in the air? A) 25 J. B) 5 J. C) 25 W. D) 1 J. Show Answer Correct Answer: A) 25 J. 26. Sadie is conducting an experiment to separate white light into colors. Which tool will Sadie use? A) Telescope. B) Mirror. C) Prism. D) None of above. Show Answer Correct Answer: C) Prism. 27. Which statement describes best the motion diagram of an object in motion? A) A graph of the time data on a horizontal axis and the position on a vertical axis. B) A series of images showing the positions of a moving object at equal time intervals. C) A diagram in which the object in motion is replaced by a series of single points. D) A diagram that tells us the location of the zero point of the object in motion and the direction in which the object is moving. Show Answer Correct Answer: B) A series of images showing the positions of a moving object at equal time intervals. 28. These are light, elementary particles that are not made up of quarks. A) Electrons. B) Baryon. C) Leptons. D) Gluons. Show Answer Correct Answer: C) Leptons. 29. $ If\ displacement\propto\left(time\right)^2, \ then$ A) Acceleration =0. B) Velocity is non uniform $ If\ displacement\propto\left(time\right)^2, \ then$. C) The body is at rest. D) Accelaration is non uniform. E) Accelaration is constant. Show Answer Correct Answer: E) Accelaration is constant. 30. Protons and neutrons are made up of which fundamental particle? A) Electrons. B) Quarks. C) Nutrinos. D) None of the above. Show Answer Correct Answer: B) Quarks. 31. During beta decay, a neutron decomposes into A) 1 proton and 1 electron. B) 1 proton. C) 1 electron. D) A new element. Show Answer Correct Answer: A) 1 proton and 1 electron. 32. Freezing occurs when matter changes from a ..... A) Solid to a gas. B) Liquid to a gas. C) Liquid to a solid. D) Gas to a solid. Show Answer Correct Answer: C) Liquid to a solid. 33. A hydroelectric generator shows changes from ..... energy to ..... energy A) Mechanical energy to light energy. B) Mechanical energy to electrical energy. C) Electrical energy to mechanical energy. D) None of above. Show Answer Correct Answer: B) Mechanical energy to electrical energy. 34. For a system in simple harmonic motion, which of the following is the number of cycles or vibrations in one second? A) Revolution. B) Amplitude. C) Frequency. D) Period. Show Answer Correct Answer: C) Frequency. 35. The symbol mm represents a A) Millimeter. B) Megameter. C) Manometer. D) Micrometer. Show Answer Correct Answer: A) Millimeter. 36. Any vector quantity has ..... A) Magnitude. B) Direction. C) Both magnitude and direction. D) None of above. Show Answer Correct Answer: C) Both magnitude and direction. 37. Which is an example of a quantitative observation A) The surface feels rough. B) The soup tastes salty. C) The leaf is brown. D) The car was moving 134 mph. Show Answer Correct Answer: D) The car was moving 134 mph. 38. Who was the SI unit of pressure named for A) Archimedes. B) Robert Boyle. C) Daniel Bernoulli. D) Blaise Pascal. Show Answer Correct Answer: D) Blaise Pascal. 39. Convection is heat transfer by- A) Touch an object. B) The heating and cooling of a fluid. C) Electromagnetic Waves. D) None of above. Show Answer Correct Answer: B) The heating and cooling of a fluid. 40. If a dog travels a distance of 10 meters, and has a speed of 15 m/s. What is the time? A) 1.5 s. B) 0.7 s. C) 6.7 s. D) 150 s. Show Answer Correct Answer: B) 0.7 s. 41. All EM waves travel at A) The speed of light. B) The speed of a vacuum. C) Different speeds. D) The speed of sound. Show Answer Correct Answer: A) The speed of light. 42. Which statement about models is not correct? A) Models help guide experimental design. B) Models manipulate a single variable or factor in an experiment. C) Models describe only part of reality. D) Models help build hypotheses. Show Answer Correct Answer: B) Models manipulate a single variable or factor in an experiment. 43. ..... is directly proportional to the Force and inversely proportional to the mass A) Acceleration. B) Velocity. C) Time. D) None of above. Show Answer Correct Answer: A) Acceleration. 44. The slope of a velocity vs time graph A) Speed. B) Distance. C) Acceleration. D) None of above. Show Answer Correct Answer: C) Acceleration. 45. Friction is ..... A) The force that one surface exerts on another when they rub against one another. B) The force that causes an object to accelerate. C) When gravity causes an object to stop moving. D) None of above. Show Answer Correct Answer: A) The force that one surface exerts on another when they rub against one another. 46. What is a compass A) An instrument on a vehicle dashboard indicating its speed. B) An instrument for measuring and indicating temperature. C) An instrument used for navigation and orientation that shows direction. D) None of above. Show Answer Correct Answer: C) An instrument used for navigation and orientation that shows direction. 47. A 400 kg car rests in the drive way. Calculate the normal force acting on the car? A) 3, 924 N. B) 400 N. C) Not enough information. D) 40.77 N. Show Answer Correct Answer: A) 3, 924 N. 48. Based on the information in the passage, how can friction be described? A) Friction can be described as a force that acts on a object in motion and can cause the object to stop. B) Friction can be described as a force that acts on an object in motion and can cause the object to speed up. C) Friction can be described as the path an object takes after a force acts on it and causes it to move. D) Friction can be described as the path an object takes when a force acts on it inside a vacuum. Show Answer Correct Answer: A) Friction can be described as a force that acts on a object in motion and can cause the object to stop. 49. A simple pendulum takes 32 seconds to complete 20 oscillations. The time period of this pendulum is: A) 1.6 seconds. B) 1.8 seconds. C) 12 seconds. D) 52 seconds. Show Answer Correct Answer: A) 1.6 seconds. 50. Newton's 1st law is often called the ..... A) Newton's 2nd law. B) Law of equality. C) Action-reaction law. D) Law of inertia. Show Answer Correct Answer: D) Law of inertia. 51. The energy transferred between objects due to a difference in temperature A) Temperature. B) Heat. C) Calorimetry. D) None of above. Show Answer Correct Answer: B) Heat. 52. A 80 kg skydiver is free falling at a constant velocity of 19 m/s. What is the net (total) force acting on her? A) 4.21 N. B) Not enough information to answer. C) 0 N. D) 1, 520 N. Show Answer Correct Answer: C) 0 N. 53. The same small cart is now rolling down an inclined track and accelerating. It fires a ball straight out of the cannon as it moves. After it is fired, what happens to the ball? A) It depends upon how much the track is tilted. B) It falls behind the cart. C) It falls in front of the cart. D) It falls right back into the cart. E) It remains at rest. Show Answer Correct Answer: D) It falls right back into the cart. 54. When a plastic rod is rubbed with wool, the wool acquires a positive charge because A) Protons are transferred from the wool to the rod. B) Electrons are transferred from the rod to the wool. C) Protons are transferred from the rod to the wool. D) Electrons are transferred from the wool to the rod. Show Answer Correct Answer: D) Electrons are transferred from the wool to the rod. 55. What is the concept used in the measurement of temperature using a thermometer? A) Thermal equilibrium. B) Thermal resistance. C) Thermal convection. D) Specific heat capacity. Show Answer Correct Answer: A) Thermal equilibrium. 56. Which of the following colors of visible light has the highest frequency? A) Violet. B) Orange. C) Blue. D) Green. E) Red. Show Answer Correct Answer: A) Violet. 57. Force on a spring is given by A) Spring constant / extension. B) Spring constant x extension. C) Spring constant / extension2. D) 1/2 x spring constant x extension2. Show Answer Correct Answer: B) Spring constant x extension. 58. The half-life or arsenic is 18 days. A sample contains a certain amount of arsenic. After 72 days, only 5 g of the arsenic still remains. What is the initial mass of the arsenic? A) 90 g. B) 160 g. C) 80 g. D) 72 g. Show Answer Correct Answer: C) 80 g. 59. A sled sliding on a flat, icy surface with a constant velocity is best described by A) Newton's second law of motion. B) Newton's first law of motion for objects in motion. C) Newton's third law of motion. D) Newton's first law of motion for objects at rest. Show Answer Correct Answer: B) Newton's first law of motion for objects in motion. 60. How much energy is transferred between a pizza and the oven when both are at a temperature of 80$^ \circ$C? A) 40 J. B) 0 J. C) 80 J. D) None of above. Show Answer Correct Answer: B) 0 J. ← PreviousNext →Related QuizzesPhysics QuizzesScience 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