This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 58 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 58 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Sound A) Longitudinal waves that travel through the air. B) Transverse waves that travel through water. C) Electromagnetic waves that travel through space. D) Static waves that do not require a medium. Show Answer Correct Answer: A) Longitudinal waves that travel through the air. 2. List two examples of waves encountered in everyday life. A) Gamma rays and X-rays. B) Light waves and Radio waves. C) Protons and Electrons. D) None of the above. Show Answer Correct Answer: B) Light waves and Radio waves. 3. It occurs when the waves pass through a barrier or obstacle. A) Absorption. B) Diffraction. C) Transmission. D) Reflection. Show Answer Correct Answer: B) Diffraction. 4. What is the distance between adjacent identical parts of a wave called? A) Wavelength. B) Frequency. C) Amplitude. D) Period. Show Answer Correct Answer: A) Wavelength. 5. These wavelengths correspond to light in the visible section of the Electromagnetic Spectrum400nm, 470nm, 510nm, 650nmWhich wavelength corresponds to green light? A) 400nm. B) 470nm. C) 510nm. D) 650nm. Show Answer Correct Answer: C) 510nm. 6. What is the speed of a 20 Hz with a 4m wavelength? A) 0.2 m/s. B) 5 m/s. C) 80 m/s. D) 320 m/s. Show Answer Correct Answer: C) 80 m/s. 7. One use of radio waves is ..... A) Broadcasting and communications. B) Heating. C) Observing internal structure of objects. D) Sterilising food and medical equipment. Show Answer Correct Answer: A) Broadcasting and communications. 8. The waves are bouncing off a barrier or obstacle. A) Refraction. B) Diffraction. C) Reflection. D) Transmission. Show Answer Correct Answer: C) Reflection. 9. A sound wave has a frequency of 20 kHz and travels at a speed of 340 m/s. Calculate the wavelength of this wave. A) 0.017 m. B) 17 m. C) ~ 59 m. D) ~ 0.059 m. Show Answer Correct Answer: A) 0.017 m. 10. Constructive interference will cause the wave to A) Increase its displacement. B) Decrease its displacement. C) Make its displacement stay the same. D) None of the above. Show Answer Correct Answer: A) Increase its displacement. 11. Time period represents: A) Wave frequency. B) Wave speed. C) Time for one complete wave cycle. D) Wave amplitude. Show Answer Correct Answer: C) Time for one complete wave cycle. 12. What determines the loudness of a sound wave? A) Wavelength. B) Amplitude. C) Frequency. D) Speed. Show Answer Correct Answer: B) Amplitude. 13. Calculate the speed of a wave with a given frequency and wavelength. A) Speed = Frequency x Wavelength. B) Speed = Frequency / Wavelength. C) Speed = Wavelength-Frequency. D) Speed = Amplitude x Frequency. Show Answer Correct Answer: A) Speed = Frequency x Wavelength. 14. To calculate the frequency of an electromagnetic wave, you need to know the speed of the wave and its A) Wavelength. B) Intensity. C) Refraction. D) Amplitude. Show Answer Correct Answer: A) Wavelength. 15. The highest point of a transverse wave is the ..... A) Trough. B) Crest. C) Antinode. D) Period. Show Answer Correct Answer: B) Crest. 16. In a Young's double-slit experiment the centre of a bright fringe occurs wherever waves from the slits differ in the distance they travel by a multiple of: A) Quarter of a wavelength. B) Half a wavelength. C) A wavelength. D) Three-fourths of a wavelength. Show Answer Correct Answer: C) A wavelength. 17. In visible light which color has the longest wavelength? A) Orange. B) Red. C) Blue. D) Green. Show Answer Correct Answer: B) Red. 18. Measure of the amount of energy a wave carries is ..... A) Echo. B) Natural frequency. C) Resonance. D) Amplitude. Show Answer Correct Answer: D) Amplitude. 19. The color of light is determined by the A) Wavelength. B) Speed. C) Amplitude. D) Crest. Show Answer Correct Answer: A) Wavelength. 20. What does the color of light emitted by an object depend on? A) Its distance from Earth. B) Its size. C) Its age. D) Its temperature. Show Answer Correct Answer: D) Its temperature. 21. Describe how amplitude influences the perception of loudness in a sound wave. A) Greater amplitude, softer sound. B) Greater amplitude, louder sound. C) Amplitude does not affect loudness. D) Lesser amplitude, louder sound. Show Answer Correct Answer: B) Greater amplitude, louder sound. 22. What is the effect called when the wavelength of light changes due to an object's motion? A) The Hubble effect. B) The Doppler effect. C) The Einstein effect. D) The Newton effect. Show Answer Correct Answer: B) The Doppler effect. 23. All waves carry A) Energy. B) Light. C) Matter. D) Particles. Show Answer Correct Answer: A) Energy. 24. A wave that has its amplitude in a direction parallel to its direction of motion is called a A) Transverse wave. B) Longitudinal wave. C) Pulse. D) Standing wave. Show Answer Correct Answer: B) Longitudinal wave. 25. What is the Doppler Effect primarily associated with? A) Increase in wave amplitude. B) Decrease in wave speed. C) Change in observed frequency due to the motion of the source or observer. D) Change in wave direction. Show Answer Correct Answer: C) Change in observed frequency due to the motion of the source or observer. ← 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