Waves 1. Which of the following statement describes a longitudinal wave? The vibration of the particles is in the direction parallel to the direction of the wave travelIts waves is made up of sections of compression alternating with rarefactions along the travel. Particles in the section of compression are at a higher pressure while those under rarefactions are at low pressure. None of the above Question 1 of 30 2. Frequency of a wave = (no.of complete wavelengths)/(time taken ) False True Maybe None Question 2 of 30 3. Mention the SI UNIT of period? Cm Metre Second(s)Hours Question 3 of 30 4. Mention the SI UNIT of speed? Seconds Metres Hertz Metres/ second (m/s) Question 4 of 30 5. Waves which require a material medium for transmission are called? Mechanical waves Sound waves Electromagnetic waves None of the above Question 5 of 30 6. Time taken by a particle to complete one oscillation is called? Period Amplitude Frequency Waves Question 6 of 30 7. Name the two types of mechanical waves? Transverse waves Longitudinal waves Sound waves music waves Question 7 of 30 8. Which of the following statement describes a transverse wave? The vibration of the particles is at right angle to the direction of the wave travel.Its waves travel as a series of crests and troughs. Water waves and electromagnetic waves are example of transverse waves No ideaQuestion 8 of 30 9. The distance between 2 points on a wave train which are in phase is called? Period AmplitudeWavelength Frequency Question 9 of 30 10. State the difference between transverse waves and longitudinal waves? In transverse waves the vibration of the particle is at right angle to direction of wave travel. In longitudinal waves the vibration of the particles in a direction parallel to the direction of the wave travel same old None of the mentioned Question 10 of 30 11. Particles in a wave motion which oscillate in the same direction and at the same level of displacement in their oscillation are said to be In-phase Out of phase Wave trains Pulse Question 11 of 30 12. Waves which do not require material medium for transmission are called? Mechanical waves Electromagnetic waves Sound waves music waves Question 12 of 30 13. What is generated when a single vibration is sent through a medium? Progressive Transverse Longitudinal Pulse Question 13 of 30 14. Mention the main difference between electromagnetic and mechanical waves? Electromagnetic waves do not require material medium for transmission Mechanical waves require material medium for transmission Electromagnetic waves include radio waves, radiant heat, light while mechanical waves include water waves and sound waves. ocean wavesQuestion 14 of 30 15. The distance between 2 successive rarefactions or compressions in a longitudinal wave is called? Amplitude Frequency Wavelength Period Question 15 of 30 16. Mention the SI UNIT of frequency? Hertz Cylces per secondSeconds kilometer per hourQuestion 16 of 30 17. Mention the name of the waves that move continually away from the source? Progressive waves Transverse waves Longitudinal Mechanical waves Question 17 of 30 18. Describe the wave trains in a longitudinal wave? A continuous vibrations at a constant rate in a medium The medium is distorted into repeated patterns of crests alternating with troughs The medium is set into repeated patterns of sections of compression alternating with those of rarefactions None of the above Question 18 of 30 19. The distance covered by a wave in one second is called? Speed Hertz Metres Period Question 19 of 30 20. SI UNIT of wavelength is? Seconds Hertz Cycles per second Metres Question 20 of 30 21. What is generated as a result of continuous vibrations at a constant rate in a medium? Pulse Longitudinal Transverse Wave trains Question 21 of 30 22. Speed (v) = Lambda x f (product of wavelength and frequency) False True Maybe None Question 22 of 30 23. Describe the wave trains in a transverse wave? The medium is set into repeated patterns of sections of compression alternating with hose of rarefactions The medium is distorted into repeated patterns of crests alternating with troughs.A continuous vibrations at a constant rate in a medium All of the above Question 23 of 30 24. The number of complete oscillations made by a particle in one second? Amplitude Frequency Period Waves Question 24 of 30 25. Mention 3 main classification of waves according to their nature? Electromagnetic waves Sound waves Mechanical waves ocean wavesQuestion 25 of 30 26. The amplitude of a wave is? The displacement on either side of the mean position The minimum displacement on either side of the mean position.The maximum displacement on either side of the mean position None of the above Question 26 of 30 27. What is the SI UNIT of amplitude? Cm Metre Millimetre Centimeter Question 27 of 30 28. Particles in a wave motion which oscillate in opposite direction and at the same level of displacement in the opposite direction of the rest position are said to be? In-phase Out of phase Wave trains None of the above Question 28 of 30 29. The distance between 2 successive crests or troughs in a transverse wave is called? Amplitude Wavelength Frequency Period Question 29 of 30 30. Frequency = inverse of Period. True or False? False True Maybe None Question 30 of 30 Loading...
