This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 53 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 53 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The high point of a wave. A) Crest. B) Trough. C) Amplitude. D) Wavelength. Show Answer Correct Answer: A) Crest. 2. If the period of an oscillation is 5 sec., its frequency is: A) 5 Hz. B) 0.2 Hz. C) 5 s. D) 0.2 s. Show Answer Correct Answer: B) 0.2 Hz. 3. Which of the following best describes a "translucent" material? A) Completely blocks light. B) Transmits all light clearly. C) Scatters light and allows partial visibility. D) Reflects all light. Show Answer Correct Answer: C) Scatters light and allows partial visibility. 4. What should be done to ensure clear waveforms when using an oscilloscope? A) Decrease the volume of the sound. B) Alter the oscilloscope settings. C) Increase the room temperature. D) Use a different microphone. Show Answer Correct Answer: B) Alter the oscilloscope settings. 5. ..... is the distance between waves, measured from one crest to the next crest. A) Wavelength. B) Frequency. C) Amplitude. D) None of the above. Show Answer Correct Answer: A) Wavelength. 6. In designing an experiment to investigate the relationship between frequency, wavelength, and speed in waves, if you choose a frequency of 300 Hz and measure a wavelength of 1.2 meters, calculate the speed of the waves. Which formula would you use? A) Speed = Frequency x Wavelength. B) Speed = Wavelength / Frequency. C) Speed = Frequency + Wavelength. D) Speed = Wavelength-Frequency. Show Answer Correct Answer: A) Speed = Frequency x Wavelength. 7. The maximum displacement (distance) of a wave from its rest position. (height of a wave crest or depth of a trough) A) Frequency. B) Wavelength. C) Amplitude. D) Pitch. Show Answer Correct Answer: C) Amplitude. 8. E/M is short for: A) Electromagician. B) Electromatter. C) Electromagnetic. D) Electromagnificent. Show Answer Correct Answer: C) Electromagnetic. 9. The loudness of sound can be changed by A) Decreasing pitch. B) Increasing the frequency. C) Increasing the amplitude. D) Decreasing the wavelength. Show Answer Correct Answer: C) Increasing the amplitude. 10. Polarisation is a property of$_{(VCAA 2018)}$ A) All types of waves. B) Only sound waves. C) Only transverse waves. D) Only longitudinal waves. Show Answer Correct Answer: C) Only transverse waves. 11. Which phenomenon occurs when light bounces off a surface? A) Refraction. B) Reflection. C) Dispersion. D) Diffraction. Show Answer Correct Answer: B) Reflection. 12. The name for a substance through which energy is traveling: A) Ocean. B) Slinky. C) Long. D) Medium. Show Answer Correct Answer: D) Medium. 13. The time needed for an object to complete one full cycle of simple harmonic motion is the ..... A) Period. B) Frequency. C) Harmonic. D) Amplitude. Show Answer Correct Answer: A) Period. 14. What is the frequency of a wave equal to? A) 1/Wavelength. B) 1/Period. C) 1/Velocity. D) 1/Amplitude. Show Answer Correct Answer: B) 1/Period. 15. Define wavelength in your own words. A) Wavelength is the frequency of a wave multiplied by its speed. B) Wavelength is the distance between two successive points of similar phase in a wave. C) Wavelength is the amplitude of a wave measured from its peak. D) Wavelength is the speed of a wave in a medium. Show Answer Correct Answer: B) Wavelength is the distance between two successive points of similar phase in a wave. 16. In which type of wave are vibrations at 90$^\circ$ to the direction of energy transfer? A) Light waves. B) Sound waves. C) Ripples on the surface of water. D) Shockwaves. Show Answer Correct Answer: A) Light waves. 17. For resonance to occur, loose or open ends must correspond with A) Nodes. B) Antinodes. C) All the above. D) None of the above. Show Answer Correct Answer: B) Antinodes. 18. What are the units of measurement for frequency? A) Meters. B) Hertz (Hz). C) Seconds. D) Newtons. Show Answer Correct Answer: B) Hertz (Hz). 19. What is the wavelength? A) Length. B) Height. C) # of waves. D) None of the above. Show Answer Correct Answer: A) Length. 20. What is the role of the sun as a light source? A) The sun is a secondary light source that only reflects light from the moon. B) The sun serves as the primary light source for Earth, enabling life and regulating environmental conditions. C) The sun primarily provides heat without any light for Earth. D) The sun's role is to create darkness and cool the planet. Show Answer Correct Answer: B) The sun serves as the primary light source for Earth, enabling life and regulating environmental conditions. 21. Increasing the frequency of a sound wave produces a sound with A) Greater loudness. B) Greater pitch. C) Lower speed. D) Longer wavelength. Show Answer Correct Answer: B) Greater pitch. 22. A graph of sound wave pressure against time shows the A) Amplitude of the wave. B) Frequency of the wave. C) Wavelength of the wave. D) Speed of the wave. Show Answer Correct Answer: A) Amplitude of the wave. 23. When the sound source has already passed you, it appears that the sound's ..... A) Wavelength decreases. B) Pitch decreases. C) Frequency increases. D) Velocity decreases. Show Answer Correct Answer: B) Pitch decreases. 24. What type of lens is used to focus light to a point? A) Concave lens. B) Convex lens. C) Flat lens. D) Cylindrical lens. Show Answer Correct Answer: B) Convex lens. 25. 1) What is the frequency of a wave that has a period of 2.11 min? A) 0.00790 Hz. B) 0.474 Hz. C) 127 Hz. D) 2.70 Hz. Show Answer Correct Answer: A) 0.00790 Hz. ← 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