This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is transferred from place to place by waves? A) Energy. B) Matter. C) Mass. D) Volume. Show Answer Correct Answer: A) Energy. 2. If a person yells (as opposed to whispering), then it will cause A) Air molecules to vibrate more frequently. B) The sound wave to travel faster. C) Air molecules to vibrate with greater amplitude. D) None of the above. Show Answer Correct Answer: C) Air molecules to vibrate with greater amplitude. 3. What determines the energy of light? A) Its speed. B) Its wavelength. C) Its intensity. D) Its amplitude. Show Answer Correct Answer: B) Its wavelength. 4. The waves are bending as it passes from one medium to another. A) Transmission. B) Reflection. C) Diffraction. D) Refraction. Show Answer Correct Answer: D) Refraction. 5. In a longitudinal wave, the particles A) Remain stationary. B) Move forward with the speed of the wave. C) Move backwards and forwards parallel to the direction of travel of the wave. D) Move from side to side, perpendicular to the direction of travel of the wave. Show Answer Correct Answer: C) Move backwards and forwards parallel to the direction of travel of the wave. 6. Describe the characteristics of a stationary wave. A) The wave travels in one direction. B) Energy transfer occurs continuously. C) Only one node is present. D) Characteristics of a stationary wave include nodes and antinodes, no energy transfer, and a fixed pattern of oscillation. Show Answer Correct Answer: D) Characteristics of a stationary wave include nodes and antinodes, no energy transfer, and a fixed pattern of oscillation. 7. What happens when two identical pulses overlap on a rope? A) They create destructive interference. B) They create a crest with higher amplitude. C) They create a trough. D) They cancel each other out. Show Answer Correct Answer: B) They create a crest with higher amplitude. 8. The amplitude of sound is directly related to its ..... A) Pitch. B) Loudness. C) Frequency. D) Wavelength. Show Answer Correct Answer: B) Loudness. 9. In a sound wave, ..... is the pitch and ..... is the loudness A) Crest is the pitch, Trough is the loudness. B) Amplitude is pitch, Wavelength is loudness. C) Amplitude is pitch, Period is loudness. D) Frequency is pitch, Amplitude is loudness. Show Answer Correct Answer: D) Frequency is pitch, Amplitude is loudness. 10. Electromagnetic energy travels in waves. These waves can vary in their frequencies and wavelengths. Electromagnetic energy is classified by the length and frequency of its wave. Of the four wave types below, which has the highest frequency? A) Microwaves. B) Infrared waves. C) Gamma rays. D) Radio waves. Show Answer Correct Answer: C) Gamma rays. 11. Which wave type involves oscillations perpendicular to the direction of wave travel? A) Continuous wave. B) Transverse wave. C) Pulse wave. D) Longitudinal wave. Show Answer Correct Answer: B) Transverse wave. 12. The highest point on a wave is called the ..... A) Trough. B) Amplitude. C) Crest. D) Equilibrium. E) Wavelength. Show Answer Correct Answer: C) Crest. 13. How loud or soft a sound is, is related to the ..... of the wave A) Amplitude. B) Frequency. C) Wave length. D) Rest position. Show Answer Correct Answer: A) Amplitude. 14. If E and P are the energy and the momentum ofa photon respectively then on reducing thewavelength of photon- A) P and E both will decrease. B) P and E both will increase. C) P will increase and E will decrease. D) P will decrease and E will increase. Show Answer Correct Answer: B) P and E both will increase. 15. What is the pitch of a sound wave? A) How loud or soft sound is. B) How high or low sound is. C) A material that sound travels through. D) Back and forth movement of the air particles. Show Answer Correct Answer: B) How high or low sound is. 16. A sound wave bends around a door and you can hear it in the hallway. Which phenomenon is happening? A) Constructive interference. B) Refraction. C) Reflection. D) Diffraction. Show Answer Correct Answer: D) Diffraction. 17. 1) A ray of light hits a surface and it 67.5$^\circ$ to the normal. At what angle does it reflect off of the surface? A) 67.5$^\circ$. B) 112.5$^\circ$. C) -0.850$^\circ$. D) None of the above. Show Answer Correct Answer: A) 67.5$^\circ$. 18. In Young's Double slit experiment, two adjacent bright fringes are 0.5 cm apart. The distance between two dark fringes ..... A) Is less than 0.5 cm. B) Is greater than 0.5 cm. C) Is exactly 0.5 cm. D) Is dependent on which order is observed. Show Answer Correct Answer: C) Is exactly 0.5 cm. 19. When waves overlap causing a quiet zone A) Diffraction. B) Destructive interference. C) Constructive interference. D) Resonance. Show Answer Correct Answer: B) Destructive interference. 20. What happens to the sound of a siren as it approaches you? A) Pitch is higher. B) Pitch is lower. C) Volume decreases. D) Intensity decreases. Show Answer Correct Answer: A) Pitch is higher. 21. When a wave bends while moving from one medium to another A) Refraction. B) Reflection. C) Rarefaction. D) Resonance. Show Answer Correct Answer: A) Refraction. 22. What is the Doppler Effect? A) A change in frequency due to the relative motion of a wave source and an observer. B) When a wave overlaps with another wave. C) When a wave bounces off of another object. D) When a wave bends due to traveling through a different medium. Show Answer Correct Answer: A) A change in frequency due to the relative motion of a wave source and an observer. 23. In an open-open tube displaying resonance, the displacement anti-nodes are located at the ends of the tube. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 24. Which of the following best describes wave transmission? A) The bending of waves as they pass from one medium to another. B) The bouncing back of waves when they encounter a boundary. C) The passing of waves through a medium or across a boundary without being reflected or absorbed. D) The redirection of waves due to obstacles in their path. Show Answer Correct Answer: C) The passing of waves through a medium or across a boundary without being reflected or absorbed. 25. Which of the following is the speed of a wave traveling with a wavelength $\lambda$, frequency f, and period T? A) $v=\frac{\lambda}{f}$. B) $v=\frac{f}{\lambda}$. C) $v=\lambda\cdot f$. D) $v=f\cdot T$. E) $v=\frac{f}{T}$. Show Answer Correct Answer: C) $v=\lambda\cdot f$. ← 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 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 10Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books