This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Physics (Part I) Chapter 8 Electromagnetic Waves Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Wave height A) Frequency. B) Wavelength. C) Amplitude. D) Wave speed. Show Answer Correct Answer: C) Amplitude. 2. EM waves usually travel slowest in solids and fastest in gases. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. When observing waves at the beach, unlike the up and down motion of a cork floating on the water (a longitudinal wave), the disturbance in a wave hitting the shore (a transverse wave) is A) Perpendicular to the direction the wave travels. B) In a circular motion. C) Parallel to the direction the wave travels. D) In the opposite direction of the wave's travel. Show Answer Correct Answer: A) Perpendicular to the direction the wave travels. 4. ..... IS A TRANSVERSE WAVE THAT INVOLVES THE TRANSFER OF ELECTRIC AND MAGNETIC ENERGY. IT IS MADE UP OF VIBRATING ELECTRIC AND MAGNETIC FIELDS THAT MOVE THROUGH SPACE OR SOME MEDIUM AT THE SPEED OF LIGHT. A) RADIATION. B) ELECTROMAGNETIC WAVES. C) PHOTOELECTRIC EFFECT. D) POLARIZED LIGHT. Show Answer Correct Answer: B) ELECTROMAGNETIC WAVES. 5. Who formulated the principle behind electromagnetic induction? A) Andre-Marie Ampere. B) Michael Faraday. C) Heinrich Hertz. D) James Clerk Maxwell. Show Answer Correct Answer: B) Michael Faraday. 6. Ethan, Anika, and Avery are on a space adventure! They come across a mysterious cosmic ray. They know it's not as short as X-rays but also not as long as visible light. Can you help them identify this type of electromagnetic wave? A) Ultraviolet rays. B) Infrared rays. C) X-rays. D) Gamma rays. Show Answer Correct Answer: A) Ultraviolet rays. 7. The full range of frequencies of electromagnetic radiation is called A) Visible light. B) The electromagnetic spectrum. C) Radio waves. D) Invisible radiation. Show Answer Correct Answer: B) The electromagnetic spectrum. 8. Waves are carriers of energy. Which is NOT TRUE about waves? A) Sound waves travel faster in liquids than in solids. B) Its wavelength is the distance between two consecutive crests or trough. C) Waves with high frequency transfer more energy than waves with low frequency. D) Waves transport energy from one location to another without transporting matter. Show Answer Correct Answer: A) Sound waves travel faster in liquids than in solids. 9. As wavelength increases, frequency decreases, with frequency decreasing, energy increases. A) True. B) False. C) Insufficient data. D) None of the above. Show Answer Correct Answer: A) True. 10. What is the relationship between the frequency and wavelength of electromagnetic waves? A) As frequency increases, wavelength increases. B) As frequency increases, wavelength decreases. C) Frequency and wavelength are independent of each other. D) Frequency is always greater than wavelength. Show Answer Correct Answer: B) As frequency increases, wavelength decreases. 11. Electromagnetic waves can transfer energy without a medium. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 12. Which property spells the difference between radio wave and microwave radiation? A) Amplitude. B) Color. C) Speed in vacuum. D) Wavelength. Show Answer Correct Answer: D) Wavelength. 13. During an earthquake, which is true about the seismic waves that travel along Earth's surface? A) They only have properties of transverse waves. B) They only have properties of longitudinal waves. C) They have neither properties of transverse or longitudinal waves. D) They have properties of both transverse and longitudinal waves. Show Answer Correct Answer: D) They have properties of both transverse and longitudinal waves. 14. It is used in checking signature on passbook A) Radio wave. B) Gamma rays. C) Visible light. D) Ultraviolet rays. Show Answer Correct Answer: D) Ultraviolet rays. 15. This is when light changes direction slightly when it passes from one material to another. A) Transmission. B) Reflection. C) Refraction. D) Absorption. Show Answer Correct Answer: C) Refraction. 16. What are two common uses of infrared radiation? A) Cooking food and sterilizing equipment. B) Night vision goggles and remote controls. C) Transmitting internet signals and generating electricity. D) Heating homes and powering vehicles. Show Answer Correct Answer: B) Night vision goggles and remote controls. 17. Electromagnetic waves are propagated by electric and magnetic fields oscillating at right angle to each other. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 18. Electromagnetic waves travel at the same speed in a vacuum, known as the speed of light. A) 400, 000. B) 300, 000. C) 500, 000. D) 350, 000. Show Answer Correct Answer: B) 300, 000. 19. Which of the following is used in fibre optics ..... A) Visible light. B) X-rays. C) Radio waves. D) None. Show Answer Correct Answer: A) Visible light. 20. Is it possible to change the speed of light? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 21. The number of waves that pass a point in a given amount of time, measured in hertz. A) Medium. B) Frequency. C) Amplitude. D) Wavelength. Show Answer Correct Answer: B) Frequency. 22. Electromagnetic waves are composed of ..... and ..... energy, allowing the wave to move in a ..... (like outer space). A) Electric and magnetic energy, allowing the wave to move in a vacuum. B) Electric and gravitational energy, allowing the wave to move in a medium. C) Magnetic and thermal energy, allowing the wave to move in a solid. D) Nuclear and chemical energy, allowing the wave to move in a liquid. Show Answer Correct Answer: A) Electric and magnetic energy, allowing the wave to move in a vacuum. 23. Which type of EM waves has the highest frequency? A) Microwaves. B) X-rays. C) Gamma rays. D) Radio waves. Show Answer Correct Answer: C) Gamma rays. 24. Ultraviolet light is associated with A) Human vision. B) Communication. C) Lung cancer. D) Producing vitamin D. Show Answer Correct Answer: D) Producing vitamin D. 25. What harmful effect can the sun have for life on Earth? A) Increasing green energy with solar panels and wind turbines. B) Vitamin D deficiency and bone loss. C) Plants and animals dying by dehydration. D) Ultraviolet radiation causes skin damage, leading to skin cancer. Show Answer Correct Answer: D) Ultraviolet radiation causes skin damage, leading to skin cancer. ← 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