Week 14 MCQ - 3 . the maximum distance moved by the medium...

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Week 14 MCQ’s Usama Farooq Question 1 Question: When a wave travels through a medium ______. 1 . particles are transferred from one place to another 2 . energy is transferred in a periodic manner 3 . energy is transferred at a constant speed 4 . none of the above statements is applicable Answer: 3 Question 2 Question: The minimum distance between the source and the reflector, so that an echo is heard is approximately equal to ______. 1 . 10 m 2 . 17 m 3 . 34 m 4 . 50 m Answer: 2 Question 3 Question: Bats detect the obstacles in their path by receiving the reflected ______. 1 . infrasonic waves 2 . radio waves 3 . electro-magnetic waves 4 . ultrasonic waves Answer: 4 Question 4 Question: When sound travels through air, the air particles ______. 1 vibrate along the direction of wave propagation
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. 2 . vibrate but not in any fixed direction 3 . vibrate perpendicular to the direction of wave propagation 4 . do not vibrate Answer: 1 Question 5 Question: The amplitude of a wave is ______. 1 . the distance the wave moves in one second 2 . the distance the wave moves in one time period of the wave
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Unformatted text preview: 3 . the maximum distance moved by the medium particles on either side of the mean position 4 . the distance equal to one wave length Answer: 3 Question 6 Question: Which of the following is not a characteristic of a musical sound? 1 . Pitch 2 . Wavelength 3 . Quality 4 . Loudness Answer: 2 Question 7 Question: Sound waves do not travel through 1 . solids 2 . liquids 3 . gases 4 . vacuum Answer: 4 Question 8 Question: Sound waves are 1 . Longitudinal 2 . Transverse 3 . partly longitudinal and partly transverse 4 . sometimes longitudinal and sometimes transverse Answer: 1 Question 9 Question: The frequency which is not audible to the human ear is 1 . 50 Hz 2 . 500 Hz 3 . 5000 Hz 4 . 50000 Hz Answer: 4 Question 10 Question: The speed of sound in medium depends upon 1 . amplitude 2 . frequency 3 . wavelength 4 . properties of the medium Answer: 4...
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This note was uploaded on 01/17/2012 for the course MASS COMMU 107 taught by Professor Masror during the Spring '11 term at College of E&ME, NUST.

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Week 14 MCQ - 3 . the maximum distance moved by the medium...

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