This quiz works best with JavaScript enabled. Home > Science > Physics > Physics – Quiz 43 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 43 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What does the 3rd band on a resistor represent? A) A number. B) The Tolerance level. C) The multiplier. D) The electronic range. Show Answer Correct Answer: C) The multiplier. 2. Given that 1 m = 3.28 ft, convert 5.00 m to ft. A) 16.4 ft. B) 8.28 ft. C) 1.72 ft. D) 152 ft. Show Answer Correct Answer: A) 16.4 ft. 3. What is the energy per unit charge? A) Current. B) Frequency. C) Power. D) Voltage. Show Answer Correct Answer: D) Voltage. 4. What is the speed of a ball that moves to about 10 meters in 2 seconds? A) 20m/s. B) 5m/s. C) 1m/s. D) 50m/s. Show Answer Correct Answer: B) 5m/s. 5. 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) 27 A. B) 6.3 A. C) 3.0 A. D) 0.33 A. Show Answer Correct Answer: C) 3.0 A. 6. 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) 830 N. B) 7500N. C) 8300N. D) 83 000N. Show Answer Correct Answer: D) 83 000N. 7. Lux is the SI unit of A) Luminous flux. B) Luminous intensity. C) Luminous efficiency. D) Intensity of illumination. Show Answer Correct Answer: D) Intensity of illumination. 8. Which of the following is a derived? A) Temperature. B) Moles. C) Velocity. D) Current. Show Answer Correct Answer: C) Velocity. 9. 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. 10. If the velocity of an object is zero, then that object cannot be accelerating. A) Either true or false. B) False. C) Neither true nor false. D) True. Show Answer Correct Answer: D) True. 11. 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. 12. 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. 13. 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. 14. Ml = ..... L A) 1, 747.8. B) 174.78. C) 17.478. D) 17, 478, 000. Show Answer Correct Answer: C) 17.478. 15. 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) 11. B) 35. C) 59. D) 3600. Show Answer Correct Answer: C) 59. 16. As energy transformations occur within a system, the total energy of the system ..... A) Increases. B) Decreases. C) Is transferred out of the system. D) Remains constant. Show Answer Correct Answer: D) Remains constant. 17. 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. 18. 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) False. C) May be. D) Not sured. Show Answer Correct Answer: A) True. 19. In describing a person, which two physical quantities we usually used? A) Mass and Weight. B) Weight and Height. C) Wieght and Height. D) Wieght and Mass. Show Answer Correct Answer: B) Weight and Height. 20. The value of unified mass unit in kg is A) 1.67x10 to the power of-27 kg. B) 1.67x10 to the power of 27. C) 1.67x10 to the power of 16. D) 1.67x10 to the power of-16. Show Answer Correct Answer: A) 1.67x10 to the power of-27 kg. ← PreviousNext →Related QuizzesScience QuizzesPhysics Quiz 1Physics Quiz 2Physics Quiz 3Physics Quiz 4Physics Quiz 5Physics Quiz 6Physics Quiz 7Physics Quiz 8Physics Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books