This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. James Maxwell state that A) There is a different kind of electromagnetic wave that is radio wave. B) Light is an electromagnetic wave. C) Light is a wave trough interference of light. D) None of the above. Show Answer Correct Answer: B) Light is an electromagnetic wave. 2. Which of the following is called heat radiation? A) X-rays. B) Gamma rays. C) Microwave. D) Infrared radiation. Show Answer Correct Answer: D) Infrared radiation. 3. Which of the following electromagnetic waves has the highest frequency? A) Radio waves. B) Microwaves. C) Infrared waves. D) Gamma rays. Show Answer Correct Answer: D) Gamma rays. 4. Gamma rays are used in the treatment of which disease? A) Diabetes. B) Cancer. C) Common cold. D) Arthritis. Show Answer Correct Answer: B) Cancer. 5. The height or depth of a wave that determines how much ENERGY the wave carries. In a sound wave, it is also synonymous with how much volume the wave carries. A) Wavelength. B) Compression. C) Amplitude. D) None of the above. Show Answer Correct Answer: C) Amplitude. 6. When a wave bends or spreads past a medium, this is referred to as A) Reflection. B) Refraction. C) Radiation. D) Diffraction. Show Answer Correct Answer: D) Diffraction. 7. If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be ..... A) Moving towards the Earth. B) Moving away from the Earth. C) This is a trick question that cannot be answered. D) It isn't a star, it is a very large blueberry. Show Answer Correct Answer: A) Moving towards the Earth. 8. The difference between the different waves on the EM spectrum is ..... A) Amplitude. B) Frequency. C) Wavelength. D) None of the above. Show Answer Correct Answer: C) Wavelength. 9. Which portion of the electromagnetic spectrum is used to identify fluorescent minerals? A) Infrared. B) X rays. C) Ultraviolet. D) Gamma rays. Show Answer Correct Answer: C) Ultraviolet. 10. What is the characteristic of far infrared waves compared to near infrared waves? A) Far infrared waves are closer to visible light in wavelength. B) Far infrared waves are further away from visible light in wavelength. C) Far infrared waves are not thermal. D) Far infrared waves do not give off heat. Show Answer Correct Answer: B) Far infrared waves are further away from visible light in wavelength. 11. Electromagnetic waves are transverse waves only. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 12. What is the name of the galaxy that contains our solar system? A) Andromeda Galaxy. B) Milky Way Galaxy. C) Whirlpool Galaxy. D) Sombrero Galaxy. Show Answer Correct Answer: B) Milky Way Galaxy. 13. Wavelength = 4.8x10$^{-12}$ m$^{}$Frequency =?$^{}$ A) 6.2x10$^{-19}$. B) 1.6x10$^{-20}$. C) 1.4x10$^{-3}$. D) 3.2x10$^{-45}$. Show Answer Correct Answer: A) 6.2x10$^{-19}$. 14. It is the entire range of wavelengths or frequencies of electromagnetic radiation A) Electromagnetic waves. B) Electromagnetic spectrum. C) Electromagnetic collection. D) None of the above. Show Answer Correct Answer: B) Electromagnetic spectrum. 15. All electromagnetic waves have the same ..... A) Frequency. B) Speed. C) Wavelength. D) Energy. Show Answer Correct Answer: B) Speed. 16. What is Electromagnetic spectrum? A) It is the visible lights. B) It is the arrangement of EM waves. C) It is the increasing wavelength. D) None of the above. Show Answer Correct Answer: B) It is the arrangement of EM waves. 17. Cell phones, televisions and radios use ..... radiation A) Radio wave. B) Tv wave. C) Gamma wave. D) None of the above. Show Answer Correct Answer: A) Radio wave. 18. This type of radiation has a range of wavelengths. The longer wavelengths of this radiation can be felt as heat on your skin. What is this radiation called? A) Infrared rays. B) Gamma rays. C) X-rays. D) Ultraviolet rays. Show Answer Correct Answer: A) Infrared rays. 19. What are Maxwell's equations and their significance? A) Maxwell's equations are three equations that only describe electric fields. B) Maxwell's equations are a set of laws governing thermodynamics. C) Maxwell's equations are four equations that describe the behavior of electric and magnetic fields and their interactions. D) Maxwell's equations are five equations related to fluid dynamics. Show Answer Correct Answer: C) Maxwell's equations are four equations that describe the behavior of electric and magnetic fields and their interactions. 20. When we look at an object we see the ..... that is reflected off of it A) Color. B) Frequency. C) Light. D) None of the above. Show Answer Correct Answer: C) Light. 21. Albert Einstein, developed the special and general theories of relativity. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 22. Wavelength = 2/3 m A) Frequency = 2/3 Hz. B) Frequency = 3/2 Hz. C) All the above. D) None of the above. Show Answer Correct Answer: B) Frequency = 3/2 Hz. 23. Maya, Nora, and Benjamin are debating about electromagnetic waves. They want to know which type of electromagnetic wave has the longest wavelengths and the lowest frequencies. Can you help them? A) Radio waves. B) Microwaves. C) Visible light. D) Ultraviolet rays. Show Answer Correct Answer: A) Radio waves. 24. Electromagnetic waves are generated by a(n) A) Stationary charge. B) Moving charge with constant velocity. C) Accelerating charge. D) None of the above. Show Answer Correct Answer: C) Accelerating charge. 25. Which of the following is not electromagnetic waves A) UV rays. B) Gamma rays. C) $\beta$ rays. D) X-rays. Show Answer Correct Answer: C) $\beta$ rays. ← 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