This quiz works best with JavaScript enabled. Home > Science > Physics > Physics – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 6 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Vehicle size helps you in all collisions, while ..... primarily helps in two-vehicle collisions. A) Density. B) Speed. C) Weight. D) Inertia. Show Answer Correct Answer: C) Weight. 2. 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) 10. C) 100 m. D) 10 m, 53$^ \circ$ S of W. Show Answer Correct Answer: A) 10 m. 3. 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) Absorption. C) Reflection. D) Amplification. Show Answer Correct Answer: D) Amplification. 4. When you know speed and direction you know A) Force. B) Acceleration. C) Velocity. D) Momentum. Show Answer Correct Answer: C) Velocity. 5. The unit m 3 is used to express A) Length. B) Volume. C) Mass. D) Density. Show Answer Correct Answer: B) Volume. 6. Solve for x:2x + 3 =7 A) 6. B) 2. C) 1/2. D) No answer. Show Answer Correct Answer: B) 2. 7. The maximum value of electric field before breakdown occurs and charges begin to flow. A) Dielectric Strength. B) Dielectric Breakdown. C) Terminal Voltage. D) Capacitance. Show Answer Correct Answer: A) Dielectric Strength. 8. 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) 0 J. C) 98, 000. D) 10 J. Show Answer Correct Answer: A) 98 J. 9. What do you call the path of a projectile? A) A curved path. B) A projector. C) A road to success. D) A trajectory. Show Answer Correct Answer: D) A trajectory. 10. Which of the following is the displacement of the projectile motion in the horizontal direction? A) Distance along y-axis. B) Height. C) Initial velocity. D) Range. Show Answer Correct Answer: D) Range. 11. 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) Electric charge. B) Mass. C) Electronegativity. D) Magnetism. Show Answer Correct Answer: A) Electric charge. 12. Which one of these options is NOT a vector quantity A) Force. B) Displacement. C) Momentum. D) Energy. Show Answer Correct Answer: D) Energy. 13. 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. 14. If velocity of all fluid particles is same all the time then it is called A) Viscous Force. B) Critical Velocity. C) Streamline Flow. D) Terminal Velocity. Show Answer Correct Answer: C) Streamline Flow. 15. 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. 16. Widely used in electronic circuits and sometimes are called ..... A) Capacitors. B) Condensers. C) Insulators. D) Dielectric. Show Answer Correct Answer: B) Condensers. 17. 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. 18. Which of the following is the gravitational force exerted by the Earth's gravity? A) Mass. B) Weight. C) Acceleration. D) Density. Show Answer Correct Answer: B) Weight. 19. Growth of the baby in the uterus is found using..... A) X-rays. B) Ultra sound. C) Gamma rays. D) Ultra Violet rays. Show Answer Correct Answer: B) Ultra sound. 20. 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 QuizzesPhysics Quiz 1Physics Quiz 2Physics Quiz 3Physics Quiz 4Physics Quiz 5Physics Quiz 7Physics Quiz 8Physics Quiz 9Physics Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books