This quiz works best with JavaScript enabled. Home > Science > Physics > Physics – Quiz 48 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 48 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. It is the unit of capacitance. A) Ampere. B) Coulomb. C) Farad. D) Volts. Show Answer Correct Answer: C) Farad. 2. What is a way to reduce friction? A) Make the surface rougher. B) Use a lubricant. C) Press down harder. D) Add weight. Show Answer Correct Answer: B) Use a lubricant. 3. What is the maximum value of deforming force upto which a material shows elastic property and above which the material loses it? A) Stress. B) Strain. C) Elasticity. D) Elastic Limit. Show Answer Correct Answer: D) Elastic Limit. 4. Which of the following is an absolute? A) Mass. B) Weight. C) Time. D) Velocity. Show Answer Correct Answer: A) Mass. 5. Which law is also called law of inertia? A) Newton first law. B) Newton second law. C) Newton third law. D) All of above. Show Answer Correct Answer: A) Newton first law. 6. What is the limit of proportionality? A) The length a spring can be stretched to before it becomes inelastically deformed. B) The length a spring has been stretched to once it becomes inelastically deformed. C) The most force a spring can hold. D) None of above. Show Answer Correct Answer: A) The length a spring can be stretched to before it becomes inelastically deformed. 7. It is made up of a number and unit. A) Measurement. B) Metric system. C) Basic units. D) Unit prefixes. Show Answer Correct Answer: A) Measurement. 8. Against the sheet, the egg did not break because the sheet applied a small force over? A) A longer time. B) A shorter time. C) A smaller area. D) A larger area. Show Answer Correct Answer: A) A longer time. 9. Which among the following order of decreasing wavelengths of electromagnetic waves is correct? I. Radio waves II. Infrared rays III. Visible Light IV. X-Rays A) I, II, III, IV. B) I, III, II, IV. C) II, I, IV, III. D) IV, III, II, I. Show Answer Correct Answer: A) I, II, III, IV. 10. Which of the following is not a contact force A) Magnetism. B) Friction. C) Air resistance. D) Tension. Show Answer Correct Answer: A) Magnetism. 11. What is the area under a acceleration-time graph equal to? A) Acceleration. B) Velocity. C) Distance. D) Displacement. Show Answer Correct Answer: B) Velocity. 12. A(n) ..... bond forms between a metal and a non-metal. A) Ionic. B) Covalent. C) Weight. D) None of above. Show Answer Correct Answer: A) Ionic. 13. A device that can store electric charge, and normally consists of two conducting objects placed near each other but not touching. A) Capacitor. B) Condensers. C) Insulators. D) Dielectric. Show Answer Correct Answer: A) Capacitor. 14. What happens to the force between two charged objects when you triple the magnitude of both charges? A) 3X. B) 6X. C) 9X. D) 1/6X. Show Answer Correct Answer: C) 9X. 15. Calculate kinetic energy of 0.25mol of He at 127degress celcius (R= 8.31) A) 1247j. B) 1190j. C) 1210j. D) 6427j. Show Answer Correct Answer: A) 1247j. 16. Weight is an example of which quantity? A) A acceleration. B) B force. C) C mass. D) D pressure. Show Answer Correct Answer: B) B force. 17. Aspect ratio of a wing is defined as the ratio of the A) Wingspan to the wing root. B) Square of the chord to the wingspan. C) Wingspan to the mean chord. D) None of above. Show Answer Correct Answer: C) Wingspan to the mean chord. 18. What term refers to any object upon which the only force acting is gravity? A) Trajectory. B) Projectile. C) Free fall. D) Thing. Show Answer Correct Answer: B) Projectile. 19. The rapid transfer of ..... energy is the cause of injuries in a car collision. A) Potential. B) Kinetic. C) Electrical. D) Gravitational. Show Answer Correct Answer: B) Kinetic. 20. Which of the following makes momentum a vector quantity? A) It has direction and magnitude. B) It has magnitude and speed. C) It has speed and mass. D) It has mass and magnitude. Show Answer Correct Answer: A) It has direction and magnitude. ← 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