Transverse Waves MCQ

Test your knowledge with important Transverse Waves MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Transverse Waves MCQs at Bissoy

• A string of length 0.4m and mass 10(-2) kg is tightly clamped at its ends. The tension in the string is 1.6N. Identical wave pulses are produced at one end at equal intervals of time, ∆t. The minimum value of ∆t which allows constructive interference between successive pulses is?
  ক

  0.05s

  খ

  0.10s

  গ

  0.20s

  ঘ

  0.40s
• An organ pipe P1 closed at one end of vibrating in its first harmonic and another pipe P2 open at both ends vibrating in its third harmonic are in resonance with a given tuning fork. The ratio of the length of P1 to that of P2 is?
  ক

  8/3

  খ

  3/8

  গ

  1/6

  ঘ

  1/3
• A tube closed at one end and containing air produces, when excited, the fundamental note of frequency 512Hz. If the tube is open at both ends, the fundamental frequency that can be excited is (in Hz).
  ক

  1024

  খ

  512

  গ

  256

  ঘ

  128
• The displacement of particles in a string stretched in the x-direction is represented by y. Among the following expressions for y, those describing wave motion are ____________
  ক

  coskxsinωt

  খ

  k2 ω2-ω2 t2

  গ

  cos2 (kx+ωt)

  ঘ

  cos2 (k2 x2-ω2 t2)
• A transverse wave is described by the equation y=y0 sin2π(ft-x/ʎ) The maximum particles velocity is equal to four times the wave velocity if?
  ক

  ʎ=πy0/4

  খ

  ʎ=πy0/2

  গ

  ʎ=πy0

  ঘ

  ʎ=2πy0
• A siren placed at a railway platform is emitting sound of frequency 5kHz. A passenger sitting in a moving train ‘A’ records a frequency of 5.5 kHz while the train approaches the siren. During his return journey in a different train B he records a frequency of 6kHz while approaching the same siren. The ratio of the velocity of train B to that train A is?
  ক

  242/252

  খ

  2

  গ

  5/6

  ঘ

  11/6
• A train moves towards a stationary observer with speed 34m/s. The train sounds a whistle and its frequency registered by the observer is f1. If the train’s speed is reduced to 17m/s, the frequency registered is f2. If the speed of sound is 340m/s, then the ratio f1/f2 is?
  ক

  18/19

  খ

  1/2

  গ

  2

  ঘ

  19/18
• A whistle giving out 450Hz approaches a stationary observer at a speed of 33m/s. The frequency heard by the observer in Hz is (speed of sound = 330m/s).
  ক

  409

  খ

  429

  গ

  517

  ঘ

  500
• Two plane harmonic sound waves are expressed by the equations: y1 (x,t)=Acos(0.5πx-100πt) y2 (x,t)=Acos(0.46πx-92πt) All the parameters are in mks system. How many times does an observer hear maximum intensity in one second?
  ক

  4

  খ

  6

  গ

  8

  ঘ

  10
• In the experiment for the determination of the speed of sound in air using the resonance column method, the length of the air column that resonates in the fundamental mode, with a tuning fork is 0.1m. When this length is changed to 0.35m, the same tuning fork resonates with the first overtime. Calculate the end correction.
  ক

  0.012m

  খ

  0.025m

  গ

  0.05m

  ঘ

  0.024m
• In a resonance tube with tuning fork of frequency 512Hz, first resonance occurs at water level equal to 30.3cm and second resonance occurs at 63.7cm. The maximum possible error in the speed of sound is?
  ক

  51.2 cm/s

  খ

  102.4m/s

  গ

  204.8cm/s

  ঘ

  1536cm/s
• In the experiment to determine the speed of sound using a resonance column ___________
  ক

  Prongs of the tuning fork are kept in a vertical plane

  খ

  Prongs of the tuning fork are kept in a horizontal plane

  গ

  In one of the two resonances observed, the length of the resonating air column is close to the wavelength of sound in air

  ঘ

  In one of the two resonances observed, the length of the resonating air column is close to half of the wavelength of sound in air
• Two vibrating springs of the same material but lengths L and 2L have radii 2r and r respectively. They are stretched under the same tension. Both the strings vibrate in their fundamental modes, one of the lengths L with frequency f1 and the other with frequency f2. The ration is given by?
  ক

  2

  খ

  4

  গ

  8

  ঘ

  1
• A wave represented by the equation y=acos(kx-ωt) is superposed with another wave to form a stationary wave such that point x=0 is a node. The equation for the other wave is?
  ক

  acos(kx-ωt)

  খ

  -acos(kx-ωt)

  গ

  -acos(kx+ωt)

  ঘ

  -asin(kx-ωt)
• A travelling wave in a stretched string is described by the equation y = Asin(kx-ωt). The maximum particle velocity is ___________
  ক

  Aω

  খ

  ω/k

  গ

  dω/dk

  ঘ

  x/t
• The extension in a string, obeying Hooke’s law, is x. The speed of sound in the stretched string is v. If the extension in the spring is increased to 1.5x, the speed of sound will be ___________
  ক

  1.22v

  খ

  0.16v

  গ

  1.50v

  ঘ

  0.75v
• Two monatomic ideal gases 1 and 2 of molecular masses M1 and M2 respectively are enclosed in separate containers kept at the same temperature. The ratio of the speed pf spund in gas 1 to that in gas 2 is given by?
  ক

  √(M1/M2)

  খ

  √(M2/M1)

  গ

  M1/M2

  ঘ

  M2/M1
• The ratio of the speed of sound in nitrogen gas to that in the helium gas at 300 K is?
  ক

  √(2/7)

  খ

  √(1/7)

  গ

  √3/5

  ঘ

  √6/5
• A source of sound frequency 600Hz is placed inside water. The speed of sound in water is 1500 m/s and in air it is 300 m/s. The frequency of sound is recorded by an observer, who is standing in the air is?
  ক

  200 Hz

  খ

  3000 Hz

  গ

  120 Hz

  ঘ

  600 Hz