This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Electromagnetic waves are a type of a A) Transverse wave. B) Longitudinal wave. C) All the above. D) None of the above. Show Answer Correct Answer: A) Transverse wave. 2. What is the significance of the visible spectrum in human vision? A) The visible spectrum is only important for animals with night vision. B) The visible spectrum has no impact on color perception in humans. C) The visible spectrum enables human vision by allowing the perception of colors and light. D) The visible spectrum is irrelevant to the process of seeing light. Show Answer Correct Answer: C) The visible spectrum enables human vision by allowing the perception of colors and light. 3. What fact about the Sun explains why people get skin cancer? A) The light from the Sun contains Ultraviolet rays. B) The Sun is 93 million miles away from the Earth. C) The Sun's lght is absorbed, reflected, or passes through things. D) Plants use sunlight for photosynthesis/ to make their own food. Show Answer Correct Answer: A) The light from the Sun contains Ultraviolet rays. 4. Select the correct order of waves on the EM Spectrum from low to high energy A) Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma. B) Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio. C) Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio. D) Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma. Show Answer Correct Answer: A) Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma. 5. Objects that emit their light, like the sun, produce ..... waves. A) Electromagnetic. B) Nuclear. C) Thermal. D) Mechanical. Show Answer Correct Answer: A) Electromagnetic. 6. There are two types of genetic mutation, germline or somatic. Somatic mutation is caused by factors such as radiation. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 7. Electromagnetic waves do not require a medium to travel. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 8. Which of the following EM waves has the shortest wavelength? A) Infrared rays. B) Gamma rays. C) X-rays. D) Radio waves. Show Answer Correct Answer: B) Gamma rays. 9. Which of the following is TRUE about the frequency and energy in electromagnetic waves? A) As the frequency of an EM wave increases, the energy also increases. B) As the frequency of an EM wave increases, the energy decreases. C) The Planck's constant increases when the frequency and energy of an EM wave increase. D) There is no relation between the energy and the frequency of an EM wave. Show Answer Correct Answer: A) As the frequency of an EM wave increases, the energy also increases. 10. Electromagnetic waves are transverse in nature is evident by A) Polarization. B) Interference. C) Reflection. D) Diffraction. Show Answer Correct Answer: A) Polarization. 11. Both X-rays and gamma rays have higher frequencies than ultraviolet rays. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 12. Radio waves must be turned into ..... by a radio before you can hear them. A) Sound waves. B) Wind waves. C) Visable waves. D) None of the above. Show Answer Correct Answer: A) Sound waves. 13. Which of the following electromagnetic waves has the longest wavelength? A) Gamma rays. B) X-rays. C) Microwaves. D) Ultraviolet light. Show Answer Correct Answer: C) Microwaves. 14. Are used in an airport scanner A) Ultrasound. B) Light. C) X ray. D) Ultraviolet rays. E) Radio Waves. Show Answer Correct Answer: C) X ray. 15. Imagine Charlotte, Jackson, and Maya are superheroes who can see different types of electromagnetic waves. Charlotte can see radio waves, Jackson can see microwaves, and Maya can see x-rays. Which superhero can see electromagnetic waves that have shorter wavelengths and higher frequencies than radio waves? A) Charlotte (radio waves). B) Jackson (microwaves). C) Maya (x-rays). D) None of them. Show Answer Correct Answer: C) Maya (x-rays). 16. What electromagnetic wave utilized by plants to make sugar? A) Gamma rays. B) Ultraviolet rays. C) Visible light. D) Radiowave. Show Answer Correct Answer: C) Visible light. 17. Name the type of wave in which the medium particles vibrate in a direction perpendicular to the direction of wave motion. A) Longitudinal waves. B) Electromagnetic waves. C) Transverse waves. D) Propagated waves. Show Answer Correct Answer: C) Transverse waves. 18. A transverse wave that involves the transfer of electric and magnetic energy. A) Magnetic wave. B) Electromagnetic wave. C) Electric wave. D) Wave water. Show Answer Correct Answer: B) Electromagnetic wave. 19. What happens to the energy of a photon as the frequency of the wave increases? A) The energy increases. B) The energy decreases. C) The energy stays the same. D) None of the above. Show Answer Correct Answer: A) The energy increases. 20. In microwave ovens, a vibrating electric field causes water molecules to rotate billions of times per second causing friction, creating TE which heats the food. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 21. Night vision goggles used in military uses thermal imaging technology to capture ..... radiation. This allows them to see in the dark. A) Radio wave. B) Microwave. C) Infrared. D) Light. Show Answer Correct Answer: C) Infrared. 22. Which scientist proved light behaves like a particle? A) Einstein. B) Thomas Young. C) Alfred Michelson. D) Isaac Newton. Show Answer Correct Answer: A) Einstein. 23. How are we able to perceive an object as being the color black? A) All colors of visible light are absorbed by an object and then reflected into our eye. B) All colors of visible light are reflected off an object and then to our eye. C) All colors of visible light are absorbed by an object and no light is being reflected into our eye. D) None of the above. Show Answer Correct Answer: C) All colors of visible light are absorbed by an object and no light is being reflected into our eye. 24. Gamma-ray bursters are objects in the universe that emit pulses ofgamma rays with high energies. The frequency of the most energeticbursts has been measured at around 3.0 x 10$^{21}$ Hz. What is the wavelengthof these gamma rays? c= 3.00 x 10$^{8}$ m/s. $\lambda=\frac{c}{f}$ A) 1.0 x 10$^{-13}$m. B) 2.0 x 10$^{-13}$m. C) 1.0 x 10$^{-15}$m. D) 1.2 x 10$^{-11}$m. Show Answer Correct Answer: A) 1.0 x 10$^{-13}$m. 25. Which of the following best describes infrared light? A) Used to identify heat signatures of people lost in the wilderness. B) Used to send communications, including video, to astronauts. C) Widely used in the cooking industry. D) Used in tanning beds. Show Answer Correct Answer: A) Used to identify heat signatures of people lost in the wilderness. Next →Related QuizzesClass 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 10Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books