This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 18 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the formula for finding the wavelength of a wave? A) V = f $\lambda$. B) $\lambda$ / v = f. C) V f = $\lambda$. D) $\lambda$ / f = v. Show Answer Correct Answer: A) V = f $\lambda$. 2. How are electromagnetic waves different from other waves? A) They have very short wavelengths. B) They transmit energy instead of matter. C) They can travel through empty space. D) They can change direction by reflection. E) Because joe. Show Answer Correct Answer: C) They can travel through empty space. 3. Which of the following will change when a wave is refracted at a boundary?I VelocityII WavelengthIII Frequency A) I only. B) III only. C) I and II only. D) I, II and III. Show Answer Correct Answer: C) I and II only. 4. Water waves bending around a dock is an example of ..... A) Compression. B) Rarefaction. C) Refraction. D) Diffraction. Show Answer Correct Answer: D) Diffraction. 5. The frequency of a wave increases when the speed remains the same. What happens to the wavelength? A) It increases. B) It decreases. C) Stays unchaged. D) It increases first and then decreases. E) It decreases first and then increases. Show Answer Correct Answer: B) It decreases. 6. What is an example of a radio wave? A) Vision. B) Television. C) Heat lamp. D) Sunlight. Show Answer Correct Answer: B) Television. 7. From which two combinations of mediums will light bend the most? A) Water to air. B) Air to glass. C) Glass to water. D) Water to glass. Show Answer Correct Answer: B) Air to glass. 8. A hill separates a TV Trasnmitter from a house. The trasnmitter cannot be seen from the house. However the house has good TV Reception. By which wave effect at the hill, could the TV signal reach the house? A) Superposition. B) Diffraction. C) Interference. D) Reflection. Show Answer Correct Answer: B) Diffraction. 9. Which region of the electromagnetic spectrum is used for sterilising medical equipment? A) Infrared (IR) radiation. B) Gamma rays. C) Microwave radiation. D) Ultraviolet (UV) light. Show Answer Correct Answer: D) Ultraviolet (UV) light. 10. Wave speed is measured in which unit? A) M. B) Hz. C) M/s. D) S. Show Answer Correct Answer: C) M/s. 11. Which type of waves are produced by a television remote controller A) Infrared waves. B) Radio waves. C) Ultraviolet waves. D) Visible light. Show Answer Correct Answer: A) Infrared waves. 12. On big LED screens which three colours of LEDs are used to make the image? A) Red, White, Blue. B) Red, Yellow, Green. C) Red, Yellow, Blue. D) Red, Blue, Green. Show Answer Correct Answer: D) Red, Blue, Green. 13. What type of waves require a medium to travel through? A) Surface. B) Mechanical. C) Electromagnetic. D) Standing. Show Answer Correct Answer: B) Mechanical. 14. Where does a pendulum have maximum potential energy? A) Equilibrium. B) Between equilibrium and highest amplitude moving down. C) Highest amplitude on either side of equilibrium. D) Between equilibrium and highest amplitude moving up. Show Answer Correct Answer: C) Highest amplitude on either side of equilibrium. 15. The distance traveled by a wave in one period is called? A) Frequency. B) Period. C) Speed of wave. D) Wavelength. E) Amplitude. Show Answer Correct Answer: D) Wavelength. 16. What would happen to the frequency is the wavelength was tripled? A) The frequency would be a third of what it was. B) The frequency would be 3 times larger. C) The frequency would stay the same. D) The wavelength does not affect the frequency of a wave. Show Answer Correct Answer: A) The frequency would be a third of what it was. 17. The most dense part of a longitudinal wave. A) Density. B) Compression. C) Rarefaction. D) Amplitude. Show Answer Correct Answer: B) Compression. 18. Whenever a wave changes materials, the wave's ..... remains the same. A) Speed. B) Frequency. C) Color. D) Favorite song. Show Answer Correct Answer: B) Frequency. 19. These wavelengths correspond to light in the visible section of the Electromagnetic Spectrum400nm, 470nm, 510nm, 650nmWhich wavelength corresponds to violet light? A) 400nm. B) 470nm. C) 510nm. D) 650nm. Show Answer Correct Answer: A) 400nm. 20. A wave with a wavelength of 12m travels at 245 m/s. Calculate it's frequency. A) 2.04 Hz. B) 20.41 Hz. C) 204.1 Hz. D) 2041 Hz. Show Answer Correct Answer: B) 20.41 Hz. 21. What is the time it takes for one full wavelength called? (Seconds/Wave) A) Period. B) Frequency. C) Amplitude. D) Wave speed. Show Answer Correct Answer: A) Period. 22. Which type of wave is created by simple harmonic motion? A) Transverse wave. B) Pulse wave. C) Continuous wave. D) Sinusoidal wave. Show Answer Correct Answer: D) Sinusoidal wave. 23. If the angle of incidence increases and the indexes of refraction stay the same, what happens to the angle of refraction? A) The angle of refraction stays the same. B) The angle of refraction decreases. C) The angle of refraction increases. D) Cannot be determined from the information provided. Show Answer Correct Answer: C) The angle of refraction increases. 24. Which direction does a compressional wave travel A) Parallel. B) Perpendicular. C) All the above. D) None of the above. Show Answer Correct Answer: A) Parallel. 25. The disturbance is perpendicular (at a right angle) to the direction of wave travel. A) Mechanical Wave. B) Transverse Wave. C) Electromagnetic Wave. D) Longitudinal Wave. Show Answer Correct Answer: B) Transverse Wave. ← PreviousNext →Related QuizzesClass 11 Physics (Part Ii) Chapter 17 Waves Quiz 1Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 2Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 3Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 4Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 5Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 6Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 7Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 8Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 9Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books