This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Physics Part Ii > Class 11 Physics (Part Ii) Chapter 17 Waves – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part Ii) Chapter 17 Waves Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Light from the sun can travel through space, which has no matter! What type of wave is light? A) Electromagnetic. B) Mechanical. C) All the above. D) None of the above. Show Answer Correct Answer: A) Electromagnetic. 2. Which of the following does sound depend on? A) Distance to the medium. B) Vibration of the medium. C) Height of the medium. D) Type of medium. Show Answer Correct Answer: D) Type of medium. 3. What do electromagnetic waves NOT need to transfer energy? A) Speed. B) Wavelength. C) Frequency. D) Matter. Show Answer Correct Answer: D) Matter. 4. Which of the following is NOT a type of mechanical wave? A) Radio waves. B) Surface waves. C) Sound waves. D) Seismic waves. Show Answer Correct Answer: A) Radio waves. 5. What is the volume 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: A) How loud or soft sound is. 6. The first airplane to fly faster than sound. A) Bell X-1. B) Concorde. C) Space Shuttle. D) None of the above. Show Answer Correct Answer: A) Bell X-1. 7. What type of waves do not require matter to carry energy? A) Ocean. B) Mechanical. C) Electromagnetic. D) All of the above. Show Answer Correct Answer: C) Electromagnetic. 8. Two waves-wave A and wave B-are introduced into two Slinkies having identical properties. Wave A has a frequency of 4 Hz and an amplitude of 50 cm. Wave B has a frequency of 2.5 Hz and an amplitude of 50 cm. Which wave is likely to have the greatest speed? A) Wave A. B) Wave B. C) Both have the same speed. D) It is impossible to tell without more information. Show Answer Correct Answer: C) Both have the same speed. 9. What do diffraction and refraction have in common? A) They both involve interference. B) They both involve wave interactions. C) They both involve reflection. D) They both involve construction. Show Answer Correct Answer: B) They both involve wave interactions. 10. True or False:Transverse waves move up and down. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 11. What part of the EM spectrum travels fastest? A) Microwave. B) Visible Light. C) X-rays. D) All travel of these travel at the speed of light. Show Answer Correct Answer: D) All travel of these travel at the speed of light. 12. If a string is attached to a LOOSE END, the pulse will be reflected back at the same amplitude ..... A) AND DIRECTION. B) BUT INVERTED. C) BUT DIFFERENT FREQUENCY. D) BUT DIFFERENT ENERGY LEVEL. Show Answer Correct Answer: A) AND DIRECTION. 13. Which quantity decreases when a sound passing through a narrow gap? A) Speed. B) Amplitude. C) Wavelength. D) Frequency. Show Answer Correct Answer: B) Amplitude. 14. A wave that can travel with or without a medium is called a(n) A) Electromagnetic wave. B) Mechanical wave. C) Surface wave. D) All waves can travel in any way. Show Answer Correct Answer: A) Electromagnetic wave. 15. If a wave has a greater frequency, what happens to the wavelength? A) Increases. B) Decreases. C) Stays the same. D) None of the above. Show Answer Correct Answer: B) Decreases. 16. When unpolarised light passes through a single polarising filter, what happens to the wave? A) Its electric field oscillations are restricted to one plane. B) It becomes circularly polarised. C) It becomes longitudinal. D) It gains energy. Show Answer Correct Answer: A) Its electric field oscillations are restricted to one plane. 17. Sound waves travel faster in the air than in the ground. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 18. What effect does increasing the distance from a wave source have on wave intensity? A) Intensity becomes zero. B) Intensity remains the same. C) Intensity decreases. D) Intensity increases. Show Answer Correct Answer: C) Intensity decreases. 19. Which type of wave can travel without a medium? A) Water waves. B) Electromagnetic waves. C) Seismic waves. D) Sound waves. Show Answer Correct Answer: B) Electromagnetic waves. 20. Define the term wavelength. A) Wavelength is the speed of a wave. B) Wavelength is the frequency of a wave. C) Wavelength is the amplitude of a wave. D) Wavelength is the distance between successive crests of a wave. Show Answer Correct Answer: D) Wavelength is the distance between successive crests of a wave. 21. Which set of conditions would cause the interference maxima produced by a double slit experiment at a distance of 1.5m from the sources to be closest together? A) Violet light of wavelength 380nm from sources 6mm apart. B) Yellow light 580nm from the sources 2mm apart. C) Ultrasonic wave of wavelength 1.5cm from sources 40mm apart. D) Water waves of wavelength 20mm from sources 1m apart. Show Answer Correct Answer: A) Violet light of wavelength 380nm from sources 6mm apart. 22. The ratio of wavelength of deutron and protonaccelerated through the same potential differencewill be A) $\frac{1}{\sqrt[]{2}}$. B) $2$. C) $\frac{1}{2}$. D) $\sqrt[]{2}$. Show Answer Correct Answer: A) $\frac{1}{\sqrt[]{2}}$. 23. Wave motion:FM Radio A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 24. The unit for frequency is A) Hertz. B) Lamda. C) Avis. D) Meters. Show Answer Correct Answer: A) Hertz. 25. The beat frequency between a 440 Hz tuning fork and 444 Hz tuning fork is A) 6 Hz. B) 4 Hz. C) 0 Hz. D) 2 Hz. Show Answer Correct Answer: B) 4 Hz. 26. A wave that does not require a medium A) Electromagnetic wave. B) Medium. C) Transversewave. D) Surfacewave. Show Answer Correct Answer: A) Electromagnetic wave. 27. Which of these is not a type of electromagnetic wave? A) Infrared. B) Visible. C) Gamma. D) Ultrasound. Show Answer Correct Answer: D) Ultrasound. 28. Two beams of light are both the same colour of red. One beam is travelling through air. The other beam is travelling through water. Each beam has a different brightness.Which quantity is the same for both sets of waves? A) Amplitude. B) Speed. C) Frequency. D) Wavelength. Show Answer Correct Answer: C) Frequency. 29. If all light waves are absorbed by a medium, then what color will be perceived? A) Green. B) White. C) Black. D) Red. Show Answer Correct Answer: C) Black. 30. All electromagnetic waves in free space are: A) Transverse. B) Stationary. C) Longitudinal. D) Mechanical. Show Answer Correct Answer: A) Transverse. 31. When part of Earth s crust breaks, ..... waves pass through Earth. A) Seismic. B) Tidal. C) Uniform. D) None of the above. Show Answer Correct Answer: A) Seismic. 32. When a wave bounces off of something and moves in a different direction (a) A) Absorption. B) A. reflection. C) Refraction. D) Propagation. Show Answer Correct Answer: B) A. reflection. 33. What type of wave was shown in the online simulation:transverse or longitudinal? A) Transverse. B) Longitudinal. C) All the above. D) None of the above. Show Answer Correct Answer: A) Transverse. 34. If the time taken to reach quarter the amplitude during the vibration of the simple pendulum is 0.1 sec then the frequency of its vibration equal ..... Hz A) 0.625. B) 0.4. C) 1.6. D) 625. Show Answer Correct Answer: A) 0.625. 35. What is the unit of wave speed? A) Km/h. B) Miles/h. C) M/s. D) Cm/s. Show Answer Correct Answer: C) M/s. 36. The padded dashboard reduces injury in collisions by A) Decreasing the change in velocity of the crash. B) Increasing the impact time. C) Decreasing the mass of the collision. D) All of these. Show Answer Correct Answer: B) Increasing the impact time. 37. Which of the following is an example of a mechanical wave? A) Sound wave. B) Light wave. C) X-ray wave. D) Radio wave. Show Answer Correct Answer: A) Sound wave. 38. Increasing the energy of a wave increases the wave's ..... A) Period. B) Wavelength. C) Frequency. D) Amplitude. Show Answer Correct Answer: D) Amplitude. 39. The note A in the musical scale has a(n) ..... 220 Hz. A) Frequency. B) Amplitude. C) Period. D) Cycle. Show Answer Correct Answer: A) Frequency. 40. A sound wave travels at 330m/s and has a time period of 0.0001s. Calculate the frequency of the sound. (a) A) 0.33 Hz. B) A. 10 000 Hz. C) Don't know/Can't remember. D) 1000 Hz. Show Answer Correct Answer: B) A. 10 000 Hz. 41. Which of the following statements best illustrates the concept that waves carry energy from one place to another? A) Ocean waves may cause boats to tip over. B) Sunlight heats the surface of the earth. C) Seismic waves cause earthquake damage. D) All of the statements illustrate the concept. Show Answer Correct Answer: D) All of the statements illustrate the concept. 42. What is the wavelength of a 4.5 x 10$^{6}$ Hz AM radio wave? A) 1.5 x 10$^{6}$ m. B) 66.7 m. C) 200 m. D) 150 m. Show Answer Correct Answer: B) 66.7 m. 43. What are the different types of interference? A) Destructive and constructive. B) Good and bad. C) Zach and cody. D) Refraction and reflection. Show Answer Correct Answer: A) Destructive and constructive. 44. In light, the Doppler Effect also takes place. When the frequency increases we call this: A) Red shift. B) Blue shift. C) Bow wave. D) None of the above. Show Answer Correct Answer: B) Blue shift. 45. When energy increases, wavelength ..... A) Increases. B) Decreases. C) All the above. D) None of the above. Show Answer Correct Answer: B) Decreases. 46. As energy is added to a transverse wave, its intensity ..... or ..... can increase. A) Wavelength, pitch. B) Amplitude, frequency. C) Frequency, wavelength. D) Pitch, wavelength. Show Answer Correct Answer: B) Amplitude, frequency. 47. What do waves do? A) Eat Pies. B) Make shapes. C) Traverse the universe. D) Transfer energy. Show Answer Correct Answer: D) Transfer energy. 48. What is resonance in a physical system? A) Resonance occurs when a system is at rest and not vibrating. B) Resonance is the ability of a system to absorb energy at any frequency. C) Resonance is the process of energy loss in a system over time. D) Resonance is the phenomenon where a system oscillates with greater amplitude at specific frequencies, known as its natural frequencies. Show Answer Correct Answer: D) Resonance is the phenomenon where a system oscillates with greater amplitude at specific frequencies, known as its natural frequencies. 49. Waves on the surface of water travel from deep to shallow water.Which diagram shows the correct path of the waves in the shallow water? A) B. B) C. C) A. D) D. Show Answer Correct Answer: C) A. 50. The amplitude of a sound's wave determines the sound's A) Resonance. B) Loudness. C) Pitch. D) Quality. Show Answer Correct Answer: B) Loudness. 51. Light bending as it passes through a raindrop is an example of (a) A) Reflection. B) A. Refraction. C) Absorption. D) None of the above. Show Answer Correct Answer: B) A. Refraction. 52. How often a wave occurs is the wave's A) Wavelength. B) Velocity. C) Amplitude. D) Frequency. Show Answer Correct Answer: D) Frequency. 53. The first harmonic in closed pipe has A) 2 antinodes. B) 1 node. C) 1 antinode. D) No nodes. Show Answer Correct Answer: C) 1 antinode. 54. If an object's density is greater than the density of water, which of these is true? A) The object will float on air. B) The object will float in water. C) The object will sink in water. D) The object has no buoyancy. Show Answer Correct Answer: C) The object will sink in water. 55. Which of the following is the formula for wave speed? A) $v = f-\lambda$. B) $v = \frac{f}{\lambda}$. C) $v = f + \lambda$. D) $v = f \times \lambda$. Show Answer Correct Answer: D) $v = f \times \lambda$. 56. The maximum displacement from the midpoint is the ..... A) Period. B) Frequency. C) Amplitude. D) Wave speed. E) Wavelength. Show Answer Correct Answer: C) Amplitude. 57. What is occurring when two waves traveling along the same medium meet and cancel each other out? A) Refraction. B) Reflection. C) Constructive interference. D) Destructive interference. Show Answer Correct Answer: D) Destructive interference. 58. A wave has a frequency of 8 Hz. What is the period of the wave? A) 0.5 sec. B) 2 m. C) 16 sec. D) 0.125 sec. Show Answer Correct Answer: D) 0.125 sec. 59. Which type of EM radiation has the shortest wavelengths? A) Gamma rays. B) Infrared waves. C) Blue light. D) Microwaves. Show Answer Correct Answer: A) Gamma rays. 60. The type of waves that requires matter to travel through: A) Mechanical Waves. B) Electromagnetic Waves. C) All the above. D) None of the above. Show Answer Correct Answer: A) Mechanical Waves. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books