Waves

Class 11 · Physics

36 questions13 easy13 medium10 hard

Sample Questions

Q1.The distance between two consecutive nodes in a standing wave is:

  • Aλ
  • Bλ/4
  • Cλ/2
  • D2λ

Q2.Two sound waves of frequencies 256 Hz and 260 Hz are sounded simultaneously. The beat frequency is:

  • A256 Hz
  • B258 Hz
  • C4 Hz
  • D516 Hz

Q3.A string of length 60 cm is fixed at both ends. It vibrates in its third harmonic. The wavelength of the waves in the string is:

  • A120 cm
  • B60 cm
  • C40 cm
  • D30 cm

Q4.A pipe of length 85 cm is open at both ends. How many harmonics are possible in the audible range (20 Hz to 20000 Hz)? (Speed of sound = 340 m/s)

  • A50
  • B100
  • C200
  • D400

Q5.The relationship between wave speed v, frequency ν, and wavelength λ is:

  • Av = λ/ν
  • Bv = νλ
  • Cv = ν/λ
  • Dv = ν²λ

Q6.This is a sample question to preview what you'll get in the full practice test...

  • A. Option one
  • B. Option two
  • C. Option three
  • D. Option four
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Concepts Covered

BeatsHarmonics and OvertonesInterference of WavesLaplace CorrectionNormal ModesPeriod and FrequencyProgressive Wave EquationReflection of WavesSpeed of SoundSpeed of Transverse WaveStanding WavesSuperposition PrincipleTypes of WavesWave SpeedWavelength and Wave Number

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