This quiz works best with JavaScript enabled. Home > Science > Physics > Physics Basics > Physics – Quiz 49 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 49 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A transverse wave and a longitudinal wave can only be differentiated by A) Amplitude. B) Frequency. C) Wavelength. D) Direction of propagation. Show Answer Correct Answer: D) Direction of propagation. 2. We take repeat reading to make sure the values are: A) Accurate & reliable. B) Easy to measure. C) Always on the line of best fit. D) All of the above. Show Answer Correct Answer: A) Accurate & reliable. 3. Hour= ..... minute A) 60. B) 50. C) 10. D) 20. Show Answer Correct Answer: A) 60. 4. The source of energy from the sun is due to A) Nuclear fusion. B) Nuclear fission. C) Combustion. D) Radioactive decay. Show Answer Correct Answer: A) Nuclear fusion. 5. Rubbing your hands together is a simple example of ..... A) Friction. B) Work. C) Potential. D) None of above. Show Answer Correct Answer: A) Friction. 6. The speed and the direction of an object's motion is it's ..... A) Inertia. B) Acceleration. C) Velocity. D) None of above. Show Answer Correct Answer: C) Velocity. 7. Area of physics that studies the production and properties of sound. A) Optics. B) Mechanics. C) Acoustics. D) Quantum Physics. Show Answer Correct Answer: C) Acoustics. 8. A child walks 5 meters north, then 4 meters east, and finally 2 meters south. What is the magnitude of the resultant displacement of the child after the entire walk? A) 1.0 m. B) 5.0 m. C) 3.0 m. D) 11.0 m. Show Answer Correct Answer: B) 5.0 m. 9. A particle is said to have wave-particle duality when that particle exhibits the properties of both ..... and ..... And ..... A) Wave, Atanglobang, Atom. B) Wave, LightWave, Light. C) Electron, Particle Electron, Zarah. D) Wave, ParticleWave, Particle. Show Answer Correct Answer: D) Wave, ParticleWave, Particle. 10. It is a branch of physics that studies the earth and its atmosphere and waters by means of the principles of physics. A) Classical Mechanics. B) Electromagnetism. C) Gephysics. D) Quantum Mechanics. E) Relativity. Show Answer Correct Answer: C) Gephysics. 11. How would you write 0.0005 in scientific notation? A) 50 x 105. B) 5 x 10-4. C) 5 x 103. D) 0.5 x 103. Show Answer Correct Answer: B) 5 x 10-4. 12. The amount of matter in an object A) Weight. B) Force. C) Gravity. D) Mass. Show Answer Correct Answer: D) Mass. 13. Which of the following methods could be used to demagnetise a permanent magnet? A) Cool it to a very low temperature. B) Put it in a coil of wire and pass current through the wire. C) Stroke it in a single direction with a permanent magnet. D) Heat it to a high temperature. Show Answer Correct Answer: D) Heat it to a high temperature. 14. The arrangement of letters on this page and the black dots of ink that comprise them convey A) Information. B) Frequency. C) Waves. D) Energy. Show Answer Correct Answer: A) Information. 15. When we stand on a floor tile in bare feet, then on a piece of carpet in the same room, the floor tile feels much colder than the carpet. This happens because of the difference in: A) Specific heat. B) Temperature. C) Thermal conductivity. D) Latent heat. Show Answer Correct Answer: C) Thermal conductivity. 16. A pendulum oscillating near the surface of the Earth swings with a time period T. What is the time period of the same pendulum near the surface of the planet Mercury where the gravitational field strength is 0.4g? A) 0.2 T. B) 0.6 T. C) 1.2 T. D) 1.6 T. Show Answer Correct Answer: D) 1.6 T. 17. Which of the following statements about thermodynamics is correct? A) Energy cannot be created, but it can be destroyed. B) Energy cannot be created or destroyed, only transferred. C) With every energy transfer, some energy is released as kinetic energy. D) With every energy transfer, some energy is released as potential energy. Show Answer Correct Answer: B) Energy cannot be created or destroyed, only transferred. 18. While playing pool, the white cue ball strikes the 8 ball. Before the collision, the cue ball's velocity was 10 m/s and the 8 ball was at rest. If both ball's have a mass of 0.15 kg and the cue ball's velocity after the collision is 2 m/s in the same direction as before, what is the 8 ball's velocity? A) 2 m/s. B) 8 m/s. C) -2 m/s. D) 1.5 m/s. Show Answer Correct Answer: B) 8 m/s. 19. Calculate the work needed to raise a 3 kg cat up to a height of 4 m. A) 12 J. B) 0 J. C) 120 J. D) 1.22 J. Show Answer Correct Answer: C) 120 J. 20. A flat sheet of glass that has a smooth, silver-colored coating on one side A) Plane mirror. B) Concave mirror. C) Convex mirror. D) Solid mirror. Show Answer Correct Answer: A) Plane mirror. ← 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