Welcome to your General Waves - Types and Properties(Senior Class Physics Study by Topics) NAME EMAIL PHONE NUMBER 1. The material that a wave travels through is called theAmplitudeRarefactionCompressionMedium2. What kind of wave is formed in organ pipes?Transverse stationary wavesLongitudinal stationary waveElectromagnetic wavesMechanical waves3. Which of the following is not true about waves?electromagnetic waves have the same velocity in the same mediumall waves require a material medium for their propagationwaves transfer energy from one place to anotherparticles of a medium vibrate if there is a wave motion in tte medium4. As you produce a wave on a spring, which of the following quantities are you NOT able to change? VelocityWavelengthFrequencyAmplitude5. Following two wave trains are approaching each othery1=asin200πt, y2=asin208πt.The number of beats heard per second is?4Zero186. For an aluminium the modulus of rigidity is 2.1×1010 N/m2 and density is 2.7×103 kg/m3. Find the speed of transverse waves in the medium.24.1×10³ m/s25.14×10³ m/s27.9×10³ m/s2.79×10³ m/s7. 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).1077Hz945Hz985Hz1167Hz8. What are the essential properties a medium must possess for the propagation of mechanical waves?Constant temperatureMaximum frictionStable pressureMinimum friction9. A source emits a sound of a frequency of 400Hz, but the listener hears it’s to be 390Hz. Then?The source is moving towards the listenerThe listener has a defective earThe listener is moving away from the sourceThe listener is moving towards the source10. A person is standing on a railway platform and a train is approaching to him, what is maximum wavelength of sound he can hear? Wavelength of whistle=1m, speed of sound in air=330m/s, speed of train=36km/h.33/32m12/13m1m32/322m11. The period of vibration of a wave of wavelength 30 m moving at a speed of 300 m/s is270 s330 s10 s0.1 s12. Sound waves are all CompressionalHigh frequencyTransverseElectromagnetic13. A wave travels a distance of 20 cm in 3 s. The distance between successive crests of the wave is 4 cm. What is the frequency of the wave?15.0 Hz1.67 Hz8.0 Hz0.6 Hz14. Two trains, each moving with a velocity of 30m/s, cross each other. One of the trains gives a whistle whose frequency is 600Hz. If the speed of sound is 330m/s, the apparent frequency for passengers sitting in the other train before crossing would be __________630Hz600Hz930Hz720Hz15. 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 kHz10 kHz0.8 kHz1.1 kHz16. Transverse waves can be formed in fluids.TrueFalse17. Speed of recession of a galaxy is proportional to its distance _____LinearlyDirectlyExponentiallyInversely18. In which medium sound travels faster?Water vapourGasLiquidSolid19. 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 transmissionI, II & III onlyI & IV onlyIII & IV onlyII & IV only20. A boat at anchor is rocked by waves whose crests are 100 m apart and whose velocity is 25 m/s. At what interval does the wave crest reach the boat?0.24 s2500 s75 s4 s21. Two waves are propagating with the same amplitude and nearly same frequency in opposite direction, they result in ___ResonanceBeatsStationary waveWave packet22. Sixty complete waves pass a particular point in 4 s . If the distance three successive troughs of the waves is 15 m , calculate the speed of the waves75 m/s112.5 m/s225 m/s300 m/s23. A wave transmits momentum. Can’t it transfer angular momentum?FalseTrue24. In the animation, what type of wave is shown? TransverseRarefiedRefractedLongitudinal25. In a transverse wave, the distance between two adjacent crests isthe wavelengthhalf of the wave lengthtwice the wavelengthone quarter of the wave length26 out of 25Time is Up! Time's up
