This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 30 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which part of the electromagnetic spectrum moves the fastest? A) Radio waves. B) They all move the same speed. C) Visible light. D) Gamma rays. Show Answer Correct Answer: B) They all move the same speed. 2. When an electric charge vibrates, the electric field around never change. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 3. Wavelength, frequency, and energy are related. What happens to the Energy in the wave as its wavelength gets shorter? A) Its frequency and energy increase. B) Its frequency and energy decrease. C) Its frequency increases while its energy decreases. D) Its frequency decreases while its energy increases. Show Answer Correct Answer: A) Its frequency and energy increase. 4. Visible light are the only light waves we can see without using special equipment. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 5. What is the electromagnetic spectrum? A) The full range of wave frequencies of electromagnetic radiation is called the electromagnetic spectrum. B) The rainbow. C) All the above. D) None of the above. Show Answer Correct Answer: A) The full range of wave frequencies of electromagnetic radiation is called the electromagnetic spectrum. 6. ..... are synchronized oscillations of electric and magnetic fields. A) Sound Waves. B) Ocean Waves. C) Electromagnetic Waves. D) Compression Waves. Show Answer Correct Answer: C) Electromagnetic Waves. 7. True or False:You can remember the colors of the Rainbow by using ROY G. BIV A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 8. The more energy waves have, the more penetrating the are. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. Electromagnetic waves transfer energy through a vacuum. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. Do electromagnetic waves have the same wavelengths? A) Yes, they have the same wavelengths. B) No, the wavelengths are different. C) No, electromagnetic waves do not have wavelengths. D) None of the above. Show Answer Correct Answer: B) No, the wavelengths are different. 11. Which type of electromagnetic wave contains the least energy? A) Radio waves. B) Infrared waves. C) Ultraviolet rays. D) Gamma rays. Show Answer Correct Answer: A) Radio waves. 12. What is the order of the waves from longest to shortest A) Radiowaves, Microwaves, Infrared, Visible light, ultra violet, x-rays, gamma. B) Gamma, X-Rays, Ultra violet, visible light, infrared, microwaves, radiowaves. C) Visible light, gamma, radiowaves, ultraviolet, infrared, x-rays. microwaves. D) Radiowaves, x-rays, gamma, visible light, microwaves, infrared, ultra violet. Show Answer Correct Answer: A) Radiowaves, Microwaves, Infrared, Visible light, ultra violet, x-rays, gamma. 13. On the electromagnetic spectrum which electromagnetic wave has the highest frequency A) Ultraviolet light. B) Gamma Ray. C) X-Ray. D) Microwave. Show Answer Correct Answer: B) Gamma Ray. 14. How to the different waves travel? A) At the different speed through a vacuum but same speeds in same materials. B) The same speeds everywhere. C) At the same speed through a vacuum but different speeds in different materials. D) Different speeds everywhere. Show Answer Correct Answer: C) At the same speed through a vacuum but different speeds in different materials. 15. Danger signals are made red because A) Highest wavelength and least scattered. B) Lowest wavelength and least scattered. C) Highest wavelength and most scattered. D) Lowest wavelength and most scattered. Show Answer Correct Answer: A) Highest wavelength and least scattered. 16. What is an example of a mechanical wave? A) Light wave. B) Sound wave. C) Radio wave. D) Microwave. Show Answer Correct Answer: B) Sound wave. 17. Swimming pools and the ocean look shallower than they really are due to: A) Reflection. B) Dispersion. C) Refraction. D) Total internal reflection. Show Answer Correct Answer: C) Refraction. 18. Which of the following occurs as light travels farther from its source? A) Photons spread over a small area. B) The intensity of light increases as photons move away from the source. C) The source gives off less light as photons move away from it. D) Farther from the source photons spread over a larger area. Show Answer Correct Answer: D) Farther from the source photons spread over a larger area. 19. Global Positioning System signals can tell you ..... A) What television station you are tuned to. B) Your exact location on Earth. C) How many satellites are in orbit. D) Who is sending a message to your pager. Show Answer Correct Answer: B) Your exact location on Earth. 20. High frequency equals A) High energy. B) Low energy. C) No change in energy. D) None of the above. Show Answer Correct Answer: A) High energy. 21. In the visible light waves what color has the highest frequency electromagnetic waves? A) Red. B) Violet. C) Green. D) Yellow. Show Answer Correct Answer: B) Violet. 22. What does refract mean? A) To shrink. B) To bend. C) To widen. D) To enlarge. Show Answer Correct Answer: B) To bend. 23. Electromagnetic waves travel in a transverse form. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 24. Electromagnetic waves can behave as particles that are called ..... A) Photons. B) Protons. C) Electrons. D) Neutrons. Show Answer Correct Answer: A) Photons. 25. A heat lamp uses what kind of electromagnetic wave A) Radio waves. B) Microwave radiation. C) Infrared radiation. D) Ultraviolet light. Show Answer Correct Answer: C) Infrared radiation. ← 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