This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves – Quiz 34 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 34 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If the vibration of particles in an acoustic wave is parallel to the direction of propagation of the wave, they are called ..... A) Longitudinal waves. B) Transverse wave. C) All the above. D) None of the above. Show Answer Correct Answer: A) Longitudinal waves. 2. Young's Double slit experiment proved that light is a A) Wave because the light interfered with itself creating a dot pattern. B) Wave because brighter light transfers more energy. C) Particle because the energy of the individual photons determines the energy transferred. D) Particle because two distinct bands were created. Show Answer Correct Answer: A) Wave because the light interfered with itself creating a dot pattern. 3. Which of the following EM waves transport? A) Electric charge. B) Energy. C) Frequency. D) Wavelength. Show Answer Correct Answer: B) Energy. 4. How fast is the Speed of Light? A) 299, 792, 458 meters per second. B) 297, 754, 875 meters per second. C) 265, 876, 456. D) None of the above. Show Answer Correct Answer: A) 299, 792, 458 meters per second. 5. In vacuum, Electromagnetic waves travel with the speed of ..... A) SOUND. B) LIGHT. C) CHEETAH. D) TSUNAMI. Show Answer Correct Answer: B) LIGHT. 6. How far apart are the skewers on the wave machine? A) 5 cm. B) 5 in. C) 10 cm. D) 10 in. Show Answer Correct Answer: A) 5 cm. 7. Genetic mutation is a permanent alteration in the genetic sequence which causes diversity among organisms. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 8. All of the following are electromagnetic waves EXCEPT FOR A) Gamma Rays. B) Sound Waves. C) Infrared Rays. D) Radio Waves. E) Microwaves. Show Answer Correct Answer: B) Sound Waves. 9. The areas of a longitudinal waves where particles are spread far apart from each other are called: A) Rarefactions. B) Compressions. C) Amplitude. D) Wavelength. Show Answer Correct Answer: A) Rarefactions. 10. Do both mechanical and electromagnetic waves have frequency? A) Yes, both have frequency. B) Only mechanical waves have frequency. C) Only electromagnetic waves have frequency. D) Neither has frequency. Show Answer Correct Answer: A) Yes, both have frequency. 11. Which of the following wave does not travel in vacuum? A) X-ray. B) Sound waves. C) Ultraviolet rays. D) Microwaves. Show Answer Correct Answer: B) Sound waves. 12. The portion of the electromagnetic spectrum that your eye can detect is found between A) IR and UV. B) X and Gamma rays. C) Radio and microwaves. D) Microwaves and IR. Show Answer Correct Answer: A) IR and UV. 13. What is the description for infrared rays? A) Allows night vision. B) Kills cancer cells. C) Causes skin to tan. D) Used in cell phones. Show Answer Correct Answer: A) Allows night vision. 14. Which electromagnetic wave is commonly used in medical imaging to view the inside of the human body? A) Gamma rays. B) X-rays. C) Microwaves. D) Radio waves. Show Answer Correct Answer: B) X-rays. 15. The most important source of light on Earth is the A) Moon. B) Sun. C) Lightbulbs. D) Fire. Show Answer Correct Answer: B) Sun. 16. Which electromagnetic wave is most suited for growing plants in a greenhouse? A) Infrared rays. B) Visible light. C) Ultraviolet rays. D) X-rays. Show Answer Correct Answer: B) Visible light. 17. Who first disovered the Speed of Light? A) Albert Einstein. B) Galileo Galilee. C) Olaus Roemer. D) Some smart scientist . Show Answer Correct Answer: C) Olaus Roemer. 18. Gamma ray has highest ..... in electromagnetic spectrum. A) Wavelength. B) Frequency. C) Amplitude. D) None of the above. Show Answer Correct Answer: B) Frequency. 19. What is the level of loudness measured in the International System of Units? A) Hertz (Hz). B) Volt (V). C) Decibel (dB). D) Bel (B). Show Answer Correct Answer: D) Bel (B). 20. Electromagnetic waves with the highest frequency and greatest amount of energy are ..... A) Gamma rays. B) Microwaves. C) Radio waves. D) Ultraviolet waves. Show Answer Correct Answer: A) Gamma rays. 21. The wavelength of the visible spectrum is: A) 8000-4000A. B) 4000-6000A. C) 4000-100A. D) None of the above. Show Answer Correct Answer: A) 8000-4000A. 22. Is the following sentence true or false? All electromagnetic waves travel at the same speed through a medium. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 23. Which color has the highest frequency? A) Green. B) Blue. C) Red. D) Yellow. Show Answer Correct Answer: B) Blue. 24. Mobile phone network.Cooking. Mobile phone framework.Communication between electronic device:Wifi, Bluetooth.These are the application of: A) X-ray. B) Gamma ray. C) Microwave. D) Visible light. Show Answer Correct Answer: C) Microwave. 25. A longitudinal wave is also known as a ..... A) Constitutional. B) Conditional. C) Confessional. D) Compressional. Show Answer Correct Answer: D) Compressional. ← 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