This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves – Quiz 42 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 42 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Cancer can be treated with ..... waves. A) Penicillin. B) Radio. C) Infrared. D) Gamma. Show Answer Correct Answer: D) Gamma. 2. A medium can be a ..... A) Solid. B) Liquid. C) Gas. D) All of the above. Show Answer Correct Answer: D) All of the above. 3. Which of the following statements is true about the energy carried by electromagnetic waves? A) Energy is independent of frequency and wavelength. B) Energy is directly proportional to frequency. C) Energy is inversely proportional to frequency. D) Energy is directly proportional to wavelength. Show Answer Correct Answer: B) Energy is directly proportional to frequency. 4. Which type of waves are used in radio and Television broadcasting? A) Radio waves. B) Infrared rays. C) X-rays. D) None of the above. Show Answer Correct Answer: A) Radio waves. 5. EM waves used in security scanning devices in airports A) Ultraviolet. B) X rays. C) Radio waves. D) Infrared. Show Answer Correct Answer: B) X rays. 6. Noah, Mia, and Mason are on a space adventure! They come across some mysterious waves that have wavelengths shorter than ultraviolet rays but longer than gamma rays. Can you help them identify these waves? A) X-rays. B) Infrared rays. C) Gamma rays. D) Stingrays. Show Answer Correct Answer: A) X-rays. 7. Where must the object be placed to produce a larger image using a convex lens? A) At F'. B) Beyond 2F'. C) Between F' and V. D) Between 2F' and F'. Show Answer Correct Answer: B) Beyond 2F'. 8. Any moving electric charge is surrounded by an ..... and a magnetic field. A) Electric light. B) Magnetic field. C) Electric field. D) None of the above. Show Answer Correct Answer: C) Electric field. 9. What waves do you use to heat food? A) Microwaves. B) Gamma Waves. C) Ultraviolet waves. D) Radio Waves. Show Answer Correct Answer: A) Microwaves. 10. Which type of electromagnetic wave is commonly used in remote controls for televisions? A) Radio waves. B) Microwaves. C) Infrared waves. D) Ultraviolet waves. Show Answer Correct Answer: C) Infrared waves. 11. What type of electromagnetic waves are used in night vision goggles? A) Gamma rays. B) Infrared waves. C) X-rays. D) Radio waves. Show Answer Correct Answer: B) Infrared waves. 12. Waves that can be used to examine internal body parts are ..... A) Radio waves. B) Visible light. C) Ultraviolet. D) X-rays. Show Answer Correct Answer: D) X-rays. 13. What does A in AM stand for? A) Antenna. B) Astronomical. C) Alpha centauri. D) Amplitude. Show Answer Correct Answer: D) Amplitude. 14. How long does it take for Mars to have its Speed of light reach Earth? A) One minute. B) Several minutes. C) An hour. D) 8 minutes. Show Answer Correct Answer: D) 8 minutes. 15. A transverse wave can be created in a Slinky$^{\textregistered}$ by moving it A) Side to side. B) In a circular motion. C) Together and apart. D) Up and down. Show Answer Correct Answer: D) Up and down. 16. Which of the following is not an electromagnetic wave ..... A) Micro waves. B) Radio waves. C) X-rays. D) Seismic waves. Show Answer Correct Answer: D) Seismic waves. 17. The energy that electromagnetic waves transfer through matter is called A) Electricity. B) Electromagnetic magnetism. C) Electromagnetic subjugation. D) Electromagnetic radiation. Show Answer Correct Answer: D) Electromagnetic radiation. 18. Light is a kind of energy that travels in A) Frequencies. B) Waves. C) Wave lengths. D) Color. Show Answer Correct Answer: B) Waves. 19. Plank's constant, h, equals A) 6.022x10$^{23 }$Js. B) 2.998x10$^{8 }$Js. C) 6.626x10$^{-34 }$Js. D) 1.06x10$^{-19 }$Js. Show Answer Correct Answer: C) 6.626x10$^{-34 }$Js. 20. Evelyn, Jackson, and Aria are on a space adventure! They encounter a mysterious wave that has wavelengths shorter than ultraviolet rays but longer than gamma rays. Can you help them identify it? A) X-rays. B) Infrared rays. C) Gamma rays. D) Stingrays. Show Answer Correct Answer: A) X-rays. 21. ..... is the speed at which a wave travels. A) Frequency. B) Wave Speed. C) Trough. D) Amplitude. E) I do not know and do not wish to answer. Show Answer Correct Answer: B) Wave Speed. 22. Polarized light is ..... A) The light that passes through a polarizing filter. B) The light that is stopped by the polarizing filter. C) The many different directions in which light travels. D) None of the above. Show Answer Correct Answer: A) The light that passes through a polarizing filter. 23. What is the third lowest electromagnetic wave on the electromagnetic spectrum? A) Visible Light. B) Microwave. C) Radio Waves. D) Infrared. Show Answer Correct Answer: B) Microwave. 24. Frequency = 1.05x10$^{15 }$HzWavelength =? A) 2.86x10$^{-7}$. B) 3.50x10$^{6}$. C) 3.15x10$^{23}$. D) 6.96x10$^{-19}$. Show Answer Correct Answer: A) 2.86x10$^{-7}$. 25. How does a light wave change as it travels into a denser medium during refraction (air into water)? A) Its frequency increases. B) Its frequency decreases. C) Its speed increases. D) Its speed decreases. Show Answer Correct Answer: D) Its speed decreases. ← 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