Welcome to your General Waves - Types and Properties(Senior Class Physics Study by Topics) NAME EMAIL PHONE NUMBER 1. A wave transmits momentum. Can’t it transfer angular momentum? True False 2. A train is approaching with velocity 25m/s towards a pedestrian standing on the track, frequency of horn of train is 1 kHz. Frequency heard by the pedestrian is (v=350m/s). 1077Hz 945Hz 1167Hz 985Hz 3. The material that a wave travels through is called the Rarefaction Medium Compression Amplitude 4. If a particle travelling with a speed of 0.9 of the speed of sound and is emitting radiations of frequency if 1kHz and moving towards the observer, what is the apparent frequency? 0.4 kHz 10 kHz 1.1 kHz 0.8 kHz 5. In the animation shown, at the point where the two waves cross, which property changes? Speed Index of refraction Amplitude Frequency 6. The source of sound generating of a frequency of 3 kHz reaches an observer with a speed of 0.5 times the velocity of sound in air. The frequency heard by the observer is? 4 kHz 6 kHz 1kHz 3 kHz 7. As the frequency of a spring wave is increased, the ______ Wavelength increases Velocity decreases Velocity increases Wavelength decreases 8. A train is approaching with velocity 25m/s towards a pedestrian standing on the track, frequency of horn of train is 1 kHz. Frequency heard by the pedestrian is (v=350m/s). 985Hz 945Hz 1167Hz 1077Hz 9. The loudness and pitch of a sound note depends on __________ Intensity and frequency Frequency and number of harmonics Frequency and velocity Intensity and velocity 10. Which of the following is not a type of electromagnetic wave? Radio waves Red light Gamma radiation Sound 11. Two waves of wavelength 99cm and 100cm both travelling with velocity 396m/s are made to interfere. The number of beats produced by them per second is? 4 2 1 8 12. Mechanical waves are called elastic waves. True False 13. The period of vibration of a wave of wavelength 30 m moving at a speed of 300 m/s is 0.1 s 330 s 270 s 10 s 14. Speed of recession of a galaxy is proportional to its distance _____ Directly Linearly Inversely Exponentially 15. All waves except ______ waves must travel through a medium. Compressional Sound Light Water 16. In the animation, what type of wave is shown? Longitudinal Refracted Rarefied Transverse 17. Which of the following is not true about waves? electromagnetic waves have the same velocity in the same medium all waves require a material medium for their propagation waves transfer energy from one place to another particles of a medium vibrate if there is a wave motion in tte medium 18. What is the most fundamental property of wave? temperatue frequency wavelength pressure 19. If a light wave has a wave length of 500 nm in air, what is the frequency of the wave? 6.0 e14 Hz 6.0 e12 Hz 2.5 e14 Hz 3.0 e14 Hz 20. When a pebble is dropped into a pond of still water, what happens? The pebble moves Particles move Waves move Water moves 21. A wave frequency of 2Hz and a wavelength of 30 cm. The velocity of the wave is 1.5 m/s 0.6 ms 6.0 m/s 60.0 m/s 22. Two waves are propagating with the same amplitude and nearly same frequency in opposite direction, they result in ___ Beats Resonance Stationary wave Wave packet 23. In a transverse wave, the distance between two adjacent crests is the wavelength half of the wave length twice the wavelength one quarter of the wave length 24. Which of the following statements are correct of the production and propagation of waves?I. vibration produces waves II. waves transmit energy along the mediumIII. the medium through which the wave travels does not travel with the waveIV. waves do not require any medium for transmission III & IV only II & IV only I, II & III only I & IV only 25. If the wavelength of a wave travelling with a velocity of 360 m/s is 60 m. The period of the wave is 0.17 s 3.6 s 0.6 s 6s 1 out of 25 Time is Up! Time's up
