This quiz works best with JavaScript enabled. Home > Science > Physics > Physics Basics > 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. Which statement is true about an object that is traveling in uniform circular motion? A) The speed of the object varies. B) The net force on the object is directed toward the center of the circular path. C) The direction of the object's velocity is constant. D) The net force on the object is directed away from the center of the circular path. Show Answer Correct Answer: B) The net force on the object is directed toward the center of the circular path. 2. What will happen to the pressure of a fixed volume of gas if its temperature is increased? A) It will decrease. B) It will increase. C) It will stay the same. D) None of above. Show Answer Correct Answer: B) It will increase. 3. Branches of physics that is concerned with the forces that occur between electrically charged particles A) Quantum Physics. B) Electromagnetism. C) Mechanics. D) Acoustics. Show Answer Correct Answer: B) Electromagnetism. 4. Acceleration occurs when an object changes its speed or ..... A) Direction. B) Force. C) Inertia. D) Mass. Show Answer Correct Answer: A) Direction. 5. Units of voltage A) Amps. B) Volts. C) Ohms. D) Joules. Show Answer Correct Answer: B) Volts. 6. ..... Law says that the Induced current is proportional to the change of magnetic flux A) Lenz'. B) Faraday's. C) Ampere's. D) None of above. Show Answer Correct Answer: B) Faraday's. 7. A cat is moving at 18 m/s when it accelerates at 4 m/s2 for 2 seconds. What is his new velocity? The bolded term is which physics concept? A) Initial velocity. B) Acceleration. C) Time. D) Distance. E) Final velocity. Show Answer Correct Answer: A) Initial velocity. 8. Physics variable for 45 kg A) M. B) D. C) F. D) Weight. Show Answer Correct Answer: A) M. 9. Gravitational Potential Energy is defined as: A) The energy an object has due to its motion. B) The energy a spring has due to its stretch. C) The energy an object has due to its height from the ground. D) The chemical energy stored in the molecules of atoms. Show Answer Correct Answer: C) The energy an object has due to its height from the ground. 10. In a velocity-time graph, the area under the graph line gives the: A) Distance travelled. B) The time taken. C) The velocity (speed). D) The acceleration. Show Answer Correct Answer: A) Distance travelled. 11. Which of the following lists of physical quantities consists only of scalars? A) Time, mass, velocity. B) Mass, velocity, acceleration. C) Speed, volume, work. D) Velocity, acceleration, force. Show Answer Correct Answer: C) Speed, volume, work. 12. The latent heat of fusion is used to A) Increase the kinetic energy of molecules. B) Do work to break the binding force among the molecules. C) Increase the kinetic energy of electrons in the molecules. D) Do work against the atmospheric pressure. Show Answer Correct Answer: B) Do work to break the binding force among the molecules. 13. A bus takes 30 minutes to travel a distance of 25 kilometers. The speed of the bus in km/h is: A) 55 km/h. B) 50 km/h. C) 5 km/h. D) 75 km/min. Show Answer Correct Answer: B) 50 km/h. 14. It is a branch of physics that includes various areas of study based on quantum theory which deals with matter and electromagnetic radiation, and the interactions between them. A) Optics. B) Nuclear Physics. C) Thermodynamics. D) Quantum Physics. Show Answer Correct Answer: D) Quantum Physics. 15. CALCULATE THE ENERGY CONSUMED BY 120W TOASTER IN 20 MINUTE. A) 44 KJ. B) 6KJ. C) 144 KJ. D) 122 KJ. Show Answer Correct Answer: C) 144 KJ. 16. A motorboat velocity is 20 km/h in still water. If the boat must travel straight to the nearest shore in a river whose current is 12 km/h, What up stream angle must the bow boat point at? (hints:you know the opposite and resultant sides of your right triangle here). A) 46 degrees upsteam. B) 37 degrees upstream. C) 22 degrees upstream. D) 42 degrees upstream. Show Answer Correct Answer: B) 37 degrees upstream. 17. The force of ..... exists between any two objects that have mass. A) Gravity. B) Acceleration. C) Weight. D) Free fall. Show Answer Correct Answer: A) Gravity. 18. The most appropriate unit for expressing the speed of a space rocket is: A) Km/s. B) M/s. C) Km/h. D) Km/min. Show Answer Correct Answer: A) Km/s. 19. How many zeros would be in this number if written in standard form? 6.47 x 1011 A) 11. B) 9. C) 10. D) 12. Show Answer Correct Answer: B) 9. 20. How many Significant Figures in the number below? 4.56 x 103 A) 5. B) 4. C) 6. D) 3. Show Answer Correct Answer: D) 3. ← 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