This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 23 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 23 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the relationship between frequency and wavelength? A) Frequency and wavelength are directly related. B) Wavelength has no effect on frequency. C) Frequency and wavelength are inversely related. D) Frequency increases with increasing wavelength. Show Answer Correct Answer: C) Frequency and wavelength are inversely related. 2. What type of wave move a slinky back and forth? A) Longitudinal. B) Transverse. C) All the above. D) None of the above. Show Answer Correct Answer: A) Longitudinal. 3. The number of waves produced per unit time. A) Amplitude. B) Wave speed. C) Frequency. D) Wavelength. Show Answer Correct Answer: C) Frequency. 4. What causes the change in direction when light travels from air into glass? A) The amplitude of the light changes. B) The colour of the light changes. C) The frequency of the light changes. D) The speed of the light changes. Show Answer Correct Answer: D) The speed of the light changes. 5. Which of the following electromagnetic waves has the lowest frequency? A) Gamma ray. B) Infrared wave. C) Visible light wave. D) Microwave. Show Answer Correct Answer: D) Microwave. 6. $V=f\lambda$ A) 10 Hz. B) 40 Hz. C) 0.1 Hz. D) None of the above. Show Answer Correct Answer: A) 10 Hz. 7. The highest point on a transverse wave is: A) The crest. B) The trough. C) The top. D) The coast. Show Answer Correct Answer: A) The crest. 8. The bending of waves as they pass from one medium to another is called A) Reflection. B) Refraction. C) Diffraction. D) Interference. Show Answer Correct Answer: B) Refraction. 9. What is the unit of measurement for lens power? A) Volt. B) Ampere. C) Watt. D) Dioptres. Show Answer Correct Answer: D) Dioptres. 10. Explain how the "medium" through which a wave travels can impact its speed. A) The medium has no effect on wave speed. B) Different mediums can alter wave speed. C) The medium determines wave frequency. D) The medium influences wave amplitude. Show Answer Correct Answer: B) Different mediums can alter wave speed. 11. If an object placed 10.0 cm in front of the lens produces an image 15 cm from the lens on the opposite side, what is the magnitude of the focal length for the lens? A) 5.00 cm. B) 6.00 cm. C) 25.0 cm. D) 30.0 cm. Show Answer Correct Answer: B) 6.00 cm. 12. What happens to a wave when it moves around a barrier? A) It bends and spreads out. B) It travels in a straight line. C) It bounces back from the barrier. D) It cannot go around the barrier. Show Answer Correct Answer: A) It bends and spreads out. 13. What is a longitudinal wave A) A wave vibrating in the direction of energy transfer. B) A wave vibrating perpendicular to the direction of energy transfer. C) Hmmmm. D) Ask my teacher. Show Answer Correct Answer: A) A wave vibrating in the direction of energy transfer. 14. The lowest part of a transverse wave is known as a (a) . A) A. Trough. B) Crest. C) Compression. D) Rarefaction. E) Medium. Show Answer Correct Answer: A) A. Trough. 15. The ..... of a wave is how many wavelengths pass a certain point each second. A) Amplitude. B) Velocity. C) Compression speed. D) Frequency. Show Answer Correct Answer: D) Frequency. 16. Waves that have vibrations that move perpendicular to the direction the wave are called: A) Electromagnetic Spectrum. B) Transverse Waves. C) Medium. D) Light Waves. Show Answer Correct Answer: B) Transverse Waves. 17. In an experiment, a wave travels through a medium and its speed is measured. If the medium is changed to one with a higher density, what is likely to happen to the wave speed? A) Increase. B) Decrease. C) Remain the same. D) Become zero. Show Answer Correct Answer: B) Decrease. 18. The disturbance that travelling through medium or vacuum from one place to other by transferring the energy. That sentence is definition for ..... A) Wave. B) Vibration. C) Medium. D) Oscillation. Show Answer Correct Answer: A) Wave. 19. What do we call the section of the EM spectrum that humans can perceive? A) Ultraviolet. B) The rainbow. C) The visible spectrum. D) Black and white. Show Answer Correct Answer: C) The visible spectrum. 20. Which component of the EM wave undergoes the polarisation upon passing through the filter? A) Electric. B) Magnetic. C) Both. D) Mostly electric. E) Mostly magnetic. Show Answer Correct Answer: A) Electric. 21. Complete the statement:The refraction of light occurs because A) The light rebounds off the boundary surface. B) The light changes speed as it enters another medium. C) The light is reflected by the surface of the water. D) None of the above. Show Answer Correct Answer: B) The light changes speed as it enters another medium. 22. What is the effect on the wavelength ($\lambda$) of a guitar string when it is loosened, assuming the length of the string remains the same? A) Less than Initial. B) Same as Initial. C) Greater than Initial. D) No change in wavelength. Show Answer Correct Answer: C) Greater than Initial. 23. What shape are the graphs that represent waves? A) Linear. B) Parabolic. C) Sinusoidal. D) Hyperbolic. Show Answer Correct Answer: C) Sinusoidal. 24. What happens when you increase the amplitude of a sound? A) It makes the sound louder. B) It makes the sound travel faster. C) It increases the wavelength of the sound. D) It increases the frequency of the sound. Show Answer Correct Answer: A) It makes the sound louder. 25. A transverse wave is transporting energy from north to south. The particles of the medium will move A) Both north and south. B) Only north to south. C) Both east and west. D) Only west to east. Show Answer Correct Answer: C) Both east and west. ← 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