This quiz works best with JavaScript enabled. Home > Science > Physics > Physics Basics > Physics – Quiz 44 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 44 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the passage mainly about? A) Why swimmers and cyclists move at different speeds. B) The motion of bodies and objects. C) The movement of an object inside a vacuum. D) The scientific discoveries of Sir Isaac Newton. Show Answer Correct Answer: B) The motion of bodies and objects. 2. What is defined as an objects velocity at any given time A) Instantaneous velocity. B) Immediate velocity. C) Intimidation velocity. D) Institutional velocity. Show Answer Correct Answer: A) Instantaneous velocity. 3. Density is equal to A) Weight / volume. B) Weight x volume. C) Mass x volume. D) Mass / volume. Show Answer Correct Answer: D) Mass / volume. 4. De Broglie equation A) Relates the momentum of a mass to its wavelength. B) Relates the energy of a mass to its wavelength. C) Relates the frequency of a mass to its wavelength. D) Relates the work function of a mass to its wavelength. Show Answer Correct Answer: A) Relates the momentum of a mass to its wavelength. 5. Energy transformations occur when ..... A) Energy is created through conduction. B) Energy changes from one form to another. C) Two forces slide together that are touching. D) A chemical reaction takes place. Show Answer Correct Answer: B) Energy changes from one form to another. 6. Which of the following letters will be seen without any change in a plane mirror? A) S. B) T. C) L. D) P. Show Answer Correct Answer: B) T. 7. Equation for efficiency A) (useful energy / total energy) x 100%. B) (total energy / useful energy) x 100%. C) (waste energy / total energy) x 100%. D) (useful energy / waste energy) x 100%. Show Answer Correct Answer: A) (useful energy / total energy) x 100%. 8. What area of physics deals with the subjects of heatand temperature? A) Mechanics. B) Thermodynamics. C) Electrodynamics. D) Quantum mechanics. Show Answer Correct Answer: B) Thermodynamics. 9. Select all possible answers:Common topics of physics include: A) Forms of energy. B) Sound. C) Magnetism. D) Evolution. Show Answer Correct Answer: C) Magnetism. 10. It is a branch of physics examines the structure, properties, and behavior of molecules. A) Classical Mechanics. B) Electromagnetism. C) Thermodynamics. D) Quantum Mechanics. E) Molecular Physics. Show Answer Correct Answer: E) Molecular Physics. 11. It is a branch of physics that studies about heat and other forms of energy, and of the conversion of energy from one form to another. A) Optics. B) Nuclear Physics. C) Thermodynamics. D) Quantum Physics. Show Answer Correct Answer: C) Thermodynamics. 12. The relative density of brass is 8.4.Which of the following is the best statement that can be made? A) Brass is heavier than water. B) Water is heavier than brass. C) 100 $cm^3$ of brass is heavier than 100 $cm^3$ of water. D) 100 $cm^3$ of water is heavier than 100 $cm^3$ of brass. Show Answer Correct Answer: C) 100 $cm^3$ of brass is heavier than 100 $cm^3$ of water. 13. STRENGTH OF ELECTROMAGNET CAN BE INCREASED BY INTRODUCING A SOFT IRON CORE . A) OUTSIDE THE COIL. B) INSIDE THE COIL. C) ROUND THE COIL. D) ABOVE THE COIL. Show Answer Correct Answer: B) INSIDE THE COIL. 14. What letter do we use to represent change in temperature? A) Q. B) M. C) C. D) $ \Delta T$. Show Answer Correct Answer: D) $ \Delta T$. 15. A thermistor is a device that: A) Always has a fixed resistance. B) Has a resistance that changes due to the amount of light acting upon it. C) Has a resistance in one direction only. D) Has a resistance that changes due to the amount of thermal energy acting upon it. Show Answer Correct Answer: D) Has a resistance that changes due to the amount of thermal energy acting upon it. 16. A car accelerates from rest down a highway at 6 m/s2 for 5 seconds. What distance did the car travel during acceleration? The bolded term describes what physics concept? A) Acceleration. B) Initial velocity. C) Time. D) Distance. E) Final velocity. Show Answer Correct Answer: A) Acceleration. 17. An aeroplane is travelling at a constant speed at an altitude of 1000 m above sea level. Which of the following is TRUE? A) Its Kinetic energy is increasing. B) It has kinetic energy only. C) It has potential energy only. D) It has both kinetic and potential energy. Show Answer Correct Answer: D) It has both kinetic and potential energy. 18. Energy transferred = A) Work done. B) Work undone. C) Current. D) Voltage. Show Answer Correct Answer: A) Work done. 19. If I have 2 blocks of Aluminium (one of 1kg and one of 10 kg) and heat them up with 6, 000 Joules of energy.Which one will have the SMALLEST change in temperature? A) 1 kg. B) 10 kg. C) They both heat up to the same temperature. D) It depends on the temperature of the room. Show Answer Correct Answer: B) 10 kg. 20. Light behaves like both a particle and a ..... A) Mass. B) Wave. C) Current. D) None of above. Show Answer Correct Answer: B) Wave. ← 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