This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 37 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 37 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Your Mom wishes to make a simple pendulum that serves as a timing device. She plans to make it such that its period is 1.00 second. What length must the pendulum have? A) 1 m. B) .5 m. C) .25 m. D) More than 1 meter. Show Answer Correct Answer: C) .25 m. 2. The correct unit for wavelength is: A) Hz. B) S. C) M. D) M/s. Show Answer Correct Answer: C) M. 3. Mechanical waves and Electromagnetic waves have what in common? A) Requires a medium and is called light. B) No net transfer of matter and they transmit energy. C) Longitudinal and traverse. D) None of these options. Show Answer Correct Answer: B) No net transfer of matter and they transmit energy. 4. Waves move ..... through vibrations A) Energy. B) Matter. C) Mass. D) Weight. Show Answer Correct Answer: A) Energy. 5. Fill in the blank:The time period of a wave is the ..... it takes to complete one full cycle. A) Speed. B) Distance. C) Frequency. D) Time. Show Answer Correct Answer: D) Time. 6. 1) A dog in a car with the window down howls with a sound at 433 Hz. The car is moving at 55.3 mph toward a cyclist moving at 23.4 mph toward the car. a. What is the frequency of the sound the cyclist hears? A) 481 Hz. B) 551 Hz. C) 183 Hz. D) 416 Hz. Show Answer Correct Answer: A) 481 Hz. 7. Double A) Lz. B) Joe. C) All the above. D) None of the above. Show Answer Correct Answer: A) Lz. 8. The ..... determines the color of visible light. A) Wavelength. B) Speed. C) Light. D) Color. Show Answer Correct Answer: A) Wavelength. 9. As objects get warmer they always emit A) A. More infra red radiation. B) B. More visible radiation. C) C. Less infra red radiation. D) None of the above. Show Answer Correct Answer: A) A. More infra red radiation. 10. Which tool can be used to separate white light into colors of the visible spectrum? A) Prism. B) Wave. C) Lens. D) Mirror. Show Answer Correct Answer: A) Prism. 11. Which of the following is a type of longitudinal wave? A) Microwave. B) Radio wave. C) Sound wave. D) Mexican wave. Show Answer Correct Answer: C) Sound wave. 12. The speed of sound through pure water at 0 $^\circ$C is 1, 400 m/s. A sound wave travelling through this medium has a wavelength of 3.18 m. Calculate the frequency of the wave. A) ~ 0.0023 Hz. B) 4, 452 Hz. C) ~ 440 Hz. D) 220 Hz. Show Answer Correct Answer: C) ~ 440 Hz. 13. Waves bouncing off a barrier. A) Pitch. B) Reflection. C) Medium. D) Longitudinal. Show Answer Correct Answer: B) Reflection. 14. Constructive interference happens when two waves are: A) Out of phase. B) Zero amplitude. C) In phase. D) None of the above. Show Answer Correct Answer: C) In phase. 15. In yellow light a green book will look ..... A) Yellow. B) Green. C) Black. D) White. Show Answer Correct Answer: B) Green. 16. How does the speed of sound compare to the speed of light? A) The speed of sound is faster than the speed of light. B) The speed of sound is significantly faster than light. C) The speed of light is much faster than the speed of sound. D) Both speeds are equal in a vacuum. Show Answer Correct Answer: C) The speed of light is much faster than the speed of sound. 17. What would happen to the wavelength if the frequency was doubled? A) The wavelength would be halved. B) The wavelength would be doubled. C) The wavelength would stay the same. D) Frequency does not affect wavelength. Show Answer Correct Answer: A) The wavelength would be halved. 18. Which wave type does the medium move perpendicular (up/down) as the wave moves through it from left to right? A) Compressional wave. B) Transverse wave. C) Electromagnetic wave. D) None of the above. Show Answer Correct Answer: B) Transverse wave. 19. What is the shape of a wave? A) A wave shape with peaks and troughs. B) A circle. C) A straight line. D) A triangle. Show Answer Correct Answer: A) A wave shape with peaks and troughs. 20. What does "opaque" mean when referring to materials? A) Allows light to pass through clearly. B) Allows partial light to pass through. C) Does not allow light to pass through. D) Only reflects light without absorption. Show Answer Correct Answer: C) Does not allow light to pass through. 21. Explain the concept of emissivity in relation to black body radiation. A) Emissivity is the measure of how efficiently an object conducts thermal radiation. B) Emissivity is the measure of how efficiently an object reflects thermal radiation. C) Emissivity is the measure of how efficiently an object emits thermal radiation compared to a perfect black body. D) Emissivity is the measure of how efficiently an object absorbs thermal radiation. Show Answer Correct Answer: C) Emissivity is the measure of how efficiently an object emits thermal radiation compared to a perfect black body. 22. What is the difference between transverse and longitudinal waves? A) Transverse waves move perpendicular to wave direction; longitudinal waves move parallel. B) Transverse waves move parallel to wave direction; longitudinal waves move perpendicular. C) Both transverse and longitudinal waves move in the same direction. D) Transverse waves are sound waves; longitudinal waves are light waves. Show Answer Correct Answer: A) Transverse waves move perpendicular to wave direction; longitudinal waves move parallel. 23. In a longitudinal wave, the particles move ..... ? A) Back and forth. B) Up and down. C) Vertically. D) In the direction of the hertz. Show Answer Correct Answer: A) Back and forth. 24. What happens when a wave passes from one medium to another at an angle? A) Diffraction. B) Absorption. C) Refraction. D) Reflection. Show Answer Correct Answer: C) Refraction. 25. What is a frequency? A) The number of wave crests passing a point in one second. B) The numbers of waves in total. C) The height of the waves times each second. D) The speed of waves over time. Show Answer Correct Answer: A) The number of wave crests passing a point in one second. ← 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