This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 33 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Electromagnetic waves are classified as longitudinal waves. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 2. What is determined by the amplitude of oscillations of the sound-producing body? A) Amplitude of oscillations. B) Volume. C) Range. D) Tone. Show Answer Correct Answer: B) Volume. 3. What is the description for microwaves? A) Allows you to see. B) Can see broken bones. C) Used in cell phones. D) Has the least amount of energy. Show Answer Correct Answer: C) Used in cell phones. 4. In a crowded concert, the way sound travels from the stage to the audience is most similar to which type of wave motion? A) A wave where particles move in a circular motion. B) A wave where particles move parallel to the direction of the wave. C) A wave where particles move perpendicular to the direction of the wave. D) A wave where particles move in the opposite direction of the wave. Show Answer Correct Answer: B) A wave where particles move parallel to the direction of the wave. 5. A leaf that is green is actually green. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 6. Which of these waves cannot travel in a vacuum? A) Light wave. B) Sound wave. C) Electromagnetic wave. D) Microwave. Show Answer Correct Answer: B) Sound wave. 7. Which of the following EM wave has the lowest frequency? A) Infrared wave. B) Radio wave. C) Visible light. D) X-ray. Show Answer Correct Answer: B) Radio wave. 8. If you were to locate Earth's solar system within the Milky Way, which part would it be found in? A) At the very center of the galaxy. B) In one of the spiral arms, away from the center. C) In the halo surrounding the galaxy. D) In the bulge at the edge of the galaxy. Show Answer Correct Answer: B) In one of the spiral arms, away from the center. 9. Gamma rays are produced in which of the following events? A) Low energy nuclear reactions. B) Chemical reactions. C) High energy nuclear explosions and supernovas. D) Biological processes. Show Answer Correct Answer: C) High energy nuclear explosions and supernovas. 10. Light is an example of A) Surface Waves. B) Electromagnetic Waves. C) Sound Waves. D) None of the above. Show Answer Correct Answer: B) Electromagnetic Waves. 11. Electromagnetic waves are produced when a(n) ..... vibrates or accelerates. A) Electric charge. B) Magnetic field. C) Neutron. D) Photon. Show Answer Correct Answer: A) Electric charge. 12. An argon ion laser emits light at 488 nm. What is the frequency of this radiation? (1 nm = 1x10$^{-9}$m) A) 4.07 x 10$^{-19}$ Hz. B) 6.15 x 10$^{14}$ Hz. C) 1.46 x 10$^{2}$ Hz. D) 2.05 x 10$^{6}$ Hz. Show Answer Correct Answer: B) 6.15 x 10$^{14}$ Hz. 13. Electromagnetic waves can transfer energy without a(n) A) Medium. B) Electric field. C) Magnetic field. D) Change in either a magnetic or an electric field. Show Answer Correct Answer: A) Medium. 14. All of the following are used in communications EXCEPT ..... A) Gamma rays. B) Microwaves. C) Lasers. D) Radars. Show Answer Correct Answer: C) Lasers. 15. Imagine Jackson, Grace, and Emma are astronauts exploring the universe. They come across a mysterious phenomenon where electric and magnetic energy is being transferred through the vacuum of space. What type of wave is responsible for this transfer? A) Radio waves. B) Microwaves. C) Visible light. D) Electromagnetic waves. Show Answer Correct Answer: D) Electromagnetic waves. 16. UV rays from the sun are- A) Gamma Waves. B) Ultraviolet waves. C) Heat Waves. D) Light waves. E) Sound waves. Show Answer Correct Answer: B) Ultraviolet waves. 17. Frequency = 5.00x10$^{7}$ HzEnergy =? A) 1.33E-41. B) 7.55E+40. C) 1.50E+16. D) 3.31E-26. Show Answer Correct Answer: D) 3.31E-26. 18. It is used for optic fibers in wirings used for communication. A) Radio wave. B) Gamma rays. C) Visible light. D) X-rays. Show Answer Correct Answer: C) Visible light. 19. Destructive wave interference ..... A) Decreases amplitude. B) Increases amplitude. C) Shifts phase. D) Locks phase. Show Answer Correct Answer: A) Decreases amplitude. 20. THIS IS MADE UP OF RADIO WAVES, MICROWAVES, IRNFRARED RAYS, VISIBLE LIGHT, ULTRAVIOLET RAYS, X-RAYS, AND GAMMA RAYS. A) RADAR. B) ELECTROMAGNETIC SPECTRUM. C) RADIO WAVES. D) THERMOGRAM. Show Answer Correct Answer: B) ELECTROMAGNETIC SPECTRUM. 21. What happens to the frequency of electromagnetic wave if its wavelength increases? A) Decreases. B) Doubles. C) Increases as well. D) Remains the same. Show Answer Correct Answer: A) Decreases. 22. Choose the wave that can't travel through a vacuum. A) Gamma wave. B) Visible light. C) Sound waves. D) Radio waves. Show Answer Correct Answer: C) Sound waves. 23. How do radio waves differ from gamma rays in terms of energy? A) Gamma rays have lower energy than radio waves. B) Radio waves have higher energy than gamma rays. C) Radio waves and gamma rays have the same energy level. D) Radio waves have lower energy than gamma rays. Show Answer Correct Answer: D) Radio waves have lower energy than gamma rays. 24. What is a type of wave where the vibration is perpendicular to the direction the wave travels? A) Transverse waves. B) Longitudinal waves. C) Perpendicular waves. D) Reverse waves. Show Answer Correct Answer: A) Transverse waves. 25. Wavelength = 9.43x10$^{-3 }$m$^{}$Frequency =?$^{}$ A) 3.18x10$^{10}$. B) 3.15x10$^{-11}$. C) 2.83x10$^{6}$. D) 6.25x10$^{-36}$. Show Answer Correct Answer: A) 3.18x10$^{10}$. ← PreviousNext →Related QuizzesClass 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 1Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 2Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 3Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 4Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 5Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 6Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 7Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 8Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 9Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books