This quiz works best with JavaScript enabled. Home > Science > Physics > Physics Basics > Physics – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 4 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which Branch of Physics is most important when discussing the motion of sub-atomic particles? A) Quantum Mechanics. B) Waves & Wave mechanics. C) Relativity. D) Electromagnetism. Show Answer Correct Answer: A) Quantum Mechanics. 2. An alien spaceship is 500 m above the ground and moving at a constant velocity of 150 m/s upwards. How high above the ground is the ship after 5 seconds? The bolded term is which physics concept? A) Acceleration. B) Time. C) Initial velocity. D) Distance. E) Final velocity. Show Answer Correct Answer: D) Distance. 3. When a piece of aluminum foil is taken out of the oven and cools from 100$^ \circ$ to 50$^ \circ$, What is the change in temperature? A) 50$^ \circ$. B) 0$^ \circ$. C) 100$^ \circ$. D) 150$^ \circ$. Show Answer Correct Answer: A) 50$^ \circ$. 4. Which area of Physics is involved in the installation of electrical lights in your house? A) Electromagnetism. B) Relativity. C) Quantum mechanics. D) Mechanics. Show Answer Correct Answer: A) Electromagnetism. 5. Meters per second (m/s) is the unit of which physics concept? A) Acceleration. B) Velocity. C) Time. D) Distance. Show Answer Correct Answer: B) Velocity. 6. The slope of speed-time graph gives A) Speed. B) Velocity. C) Momentum. D) Acceleration. Show Answer Correct Answer: D) Acceleration. 7. A television works by transforming electrical energy into what other kinds of energy? A) Light, thermal, and sound. B) Thermal, chemical, and solar. C) Sound, mechanical, and electrical. D) Light, chemical, and mechanical. Show Answer Correct Answer: A) Light, thermal, and sound. 8. Forces can A) Move. B) Slow or speed things. C) Change shape. D) All are correct. Show Answer Correct Answer: D) All are correct. 9. Resultant force = mass x acceleration. An alternative equation is ..... A) F=change in velocity / time for change. B) F = change in speed / time for change. C) F = change in momentum / time for change. D) F = change in mass / time for change. Show Answer Correct Answer: C) F = change in momentum / time for change. 10. What is the density of water in kg / m3? A) 1. B) 10. C) 100. D) 1000. Show Answer Correct Answer: D) 1000. 11. Road signs like 50 kilometre per hour are warning to drive in given A) Area. B) Speed limit. C) Direction. D) Distance. Show Answer Correct Answer: B) Speed limit. 12. Which statement is true about a moving object? When an object is ..... A) Accelerating, the resultant force acting on it must be zero. B) Moving at a steady speed, the air resistance acting on it must equal zero. C) Moving at a steady speed, the resultant force acting on it must equal zero. D) Moving, there must be a resultant force acting on it. Show Answer Correct Answer: C) Moving at a steady speed, the resultant force acting on it must equal zero. 13. Solve and round accordingly. "3.2 x 4.0 x 12.399" A) 160. B) 158.707. C) 16. D) 158.71. Show Answer Correct Answer: A) 160. 14. Rate of change of velocity is known as: A) Acceleration. B) Velocity. C) Force. D) Speed. Show Answer Correct Answer: A) Acceleration. 15. Which wavelength of visible light has the lowest energy? A) Red. B) Yellow. C) Orange. D) Blue. Show Answer Correct Answer: A) Red. 16. Which of the following is a result of the transfer of energy? A) Gravity. B) Sound. C) Magnetism. D) Matter. Show Answer Correct Answer: B) Sound. 17. Which of the following is the best order-of-magnitude estimate in meters of the height of a mountain? A) 1m. B) 10m. C) 100m. D) 1000m. Show Answer Correct Answer: D) 1000m. 18. What is the equation for kinetic energy? A) Ek = m v2. B) Ek = m/v2. C) Ek = 1/2 m v2. D) Ek = 1/2 m/v2. Show Answer Correct Answer: C) Ek = 1/2 m v2. 19. Add and round to Correct Sig Figs.4.5 + 4.32 = A) 8.8. B) 8.82. C) 9. D) 9.0. Show Answer Correct Answer: A) 8.8. 20. If your online physics teacher and SimChongYou fell in a vacuum, who would hit the ground first? A) Physics teacher. B) SimChongYou. C) They would hit at the same time. D) None of above. Show Answer Correct Answer: C) They would hit at the same time. ← PreviousNext →Related QuizzesPhysics QuizzesScience QuizzesPhysics Quiz 1Physics Quiz 2Physics Quiz 3Physics Quiz 5Physics Quiz 6Physics Quiz 7Physics Quiz 8Physics Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books