This quiz works best with JavaScript enabled. Home > Science > Physics > Physics – Quiz 38 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 38 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. UNIT OF ELECTRIC CURRENT IS A) METER. B) AMPERE. C) LUX. D) LUNINESCENCE. Show Answer Correct Answer: B) AMPERE. 2. It comprises units such as pound, yard and ounce A) Measurement. B) Metric system. C) Basic units. D) British or english system. Show Answer Correct Answer: D) British or english system. 3. SI base units for length and mass are A) Centimeter. B) Meter and gram. C) Centimeter and kilogram. D) Meter and kilogram. Show Answer Correct Answer: D) Meter and kilogram. 4. If the voltage across a fixed value of resistance is increased five times, what does the current do? A) It increases by a factor of five. B) It decreases by a factor of five. C) It stays the same. D) Not enough information. Show Answer Correct Answer: A) It increases by a factor of five. 5. Being able to tell different sounds apart is called A) Sound amplification. B) Sound discrimination. C) Vibration. D) Frequency. Show Answer Correct Answer: B) Sound discrimination. 6. A moving electric charge produces..... A) Only electric field. B) Only Magnetic field. C) Both electric and magnetic field. D) Either electric or a magnetic field. Show Answer Correct Answer: C) Both electric and magnetic field. 7. Which physical quantity has the correct SI unit? A) Length / centimeter. B) Mass / gram. C) Time / hour. D) Temperature / kelvin. Show Answer Correct Answer: D) Temperature / kelvin. 8. Which among the following is the surface to surface missile that is made in India? A) Naag. B) Dharti. C) Akash. D) Prithivi. Show Answer Correct Answer: D) Prithivi. 9. The number of significant figures in 0.040 g is ..... A) One. B) Two. C) Three. D) Four. Show Answer Correct Answer: B) Two. 10. ..... the amount of work done in a certain amount of time or the rate at which work is done. A) Power. B) Force. C) Energy. D) Kinetic energy. Show Answer Correct Answer: A) Power. 11. What is coronovirus? A) It is a large family of viruses. B) It belongs to the family of Nidovirus. C) Both A and B are correct. D) Only A is correct. Show Answer Correct Answer: C) Both A and B are correct. 12. Which of the following has the smallest value? A) 29 cm. B) 0.0025 km. C) 4.5 x 10-3 m. D) 10 000 mm. Show Answer Correct Answer: C) 4.5 x 10-3 m. 13. When the truck began moving, the crash dummy fell off the back. What is the property of matter that caused the dummy to resist a change in motion? A) Inertia. B) Momentum. C) Speed. D) Force. Show Answer Correct Answer: A) Inertia. 14. The centre of the Newton's rings pattern is dark since..... A) The glass plate plano-convex lens. B) The light undergoes a phase change $\Pi$. C) The light undergoes a phase change 2 $\Pi$. D) The light undergoes a phase change $\Pi$/2. Show Answer Correct Answer: B) The light undergoes a phase change $\Pi$. 15. What type of circuit is the most efficient? A) Combination circuit. B) Series circuit. C) Parallel circuit. D) Isometric circuit. Show Answer Correct Answer: C) Parallel circuit. 16. Mass of a body changes when we move from one place to the other. A) May be. B) Sometimes. C) Always. D) Never. Show Answer Correct Answer: D) Never. 17. Which of the following is a fundamental quantity? A) Density. B) Force. C) Velocity. D) Temperature. Show Answer Correct Answer: D) Temperature. 18. The force of gravity between you and Earth is greater than the force of gravity between you and a car because Earth has more ..... than the car. A) Mass. B) Density. C) Force. D) Friciton. Show Answer Correct Answer: A) Mass. 19. If an airplane has an initial distance of 10 m, and an initial time of 500 s. After it has a final time of 1000 s and a final distance of 18 m. What is the velocity? A) 0.016 m/s. B) 250 m/s. C) 1.6 m/s. D) None of above. Show Answer Correct Answer: A) 0.016 m/s. 20. The I.C Chip used in a computer is made up of..... A) Gold. B) Lead. C) Silicon. D) Chromium. Show Answer Correct Answer: C) Silicon. ← 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