sound wave and its general equation and velocity questions with solutions

Showing 1–8 of 8 questions

• MCQeasyWave Motionsound wave and its general equation and velocity

  The ratio of speed of sound in hydrogen gas to the speed of sound in oxygen gas at the same temperature is:

  Options

  • Option A

    1: 4

  • Option B

    1: 2

  • Option C

    1: 1

  • Option D

    4: 1

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  JEE Mains6 April 2023Shift 2Evening Shift

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• MCQmediumWave Motionsound wave and its general equation and velocity

  The speed of a longitudinal wave in a metallic bar is 400 m/s. If the density and Young's modulus of the bar material are increased by 0.5% and 1% respectively then the speed of the wave is changed approximately to _____ m/s.

  Options

  • Option A

    399

  • Option B

    398

  • Option C

    402

  • Option D

    401

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  JEE Mains 202628 January Evening Shift

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• NumericeasyWave Motionsound wave and its general equation and velocity

  The velocity of sound in air is doubled when the temperature is raised from 0°C to α°C. The value of α is _______.

  Your answer

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  JEE Mains 202623 January Evening Shift

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• MCQeasyWave Motionsound wave and its general equation and velocity

  For a solid rod, Young's modulus is 3.2 × 10¹¹ N m⁻² and density is 8 × 10³ kg m⁻³. The velocity of longitudinal wave in the rod will be:

  Options

  • Option A

    145.75 × 10³ m s⁻¹

  • Option B

    3.65 × 10³ m s⁻¹

  • Option C

    18.96 × 10³ m s⁻¹

  • Option D

    6.32 × 10³ m s⁻¹

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  JEE Mains31 January 2023Shift 2Evening Shift

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• MCQmediumWave Motionsound wave and its general equation and velocity

  Consider sound waves travelling through ideal gases He, CH₄ and CO₂. All gases have the same value of P/ρ. The ratio VHe : VCH₄ : VCO₂ is:

  Options

  • Option A

    √(5/3) : √(4/3) : √(7/5)

  • Option B

    √(7/5) : √(5/3) : √(4/3)

  • Option C

    √(4/3) : √(5/3) : √(7/5)

  • Option D

    √(5/3) : √(4/3) : √(4/3)

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  JEE Mains 2025 4 April Morning Shift

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• MCQeasyWave Motionsound wave and its general equation and velocity

  The speed of sound in oxygen at S.T.P. will be approximately: (Given, R = 8.3 J K⁻¹, γ = 1.4)

  Options

  • Option A

    310 m/s

  • Option B

    333 m/s

  • Option C

    341 m/s

  • Option D

    325 m/s

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  JEE Mains 2024 31 Jan Evening Shift

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• MCQeasyWave Motionsound wave and its general equation and velocity

  A point source is kept at the center of a spherically enclosed detector. If the volume of the detector increased by 8 times, the intensity will

  Options

  • Option A

    increase by 8 times

  • Option B

    increase by 64 times

  • Option C

    decrease by 8 times

  • Option D

    decrease by 4 times

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  JEE Mains 202624 January Evening Shift

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• MCQmediumWave Motionsound wave and its general equation and velocity

  Statement-I: Velocity of sound in solids is generally greater than that in gases. Statement-II: Bulk modulus of a gas is greater than that of solids.

  Options

  • Option A

    Both statements are correct

  • Option B

    Statement-I is correct, Statement-II is incorrect

  • Option C

    Statement-I is incorrect, Statement-II is correct

  • Option D

    Both statements are incorrect

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  JEE Mains 2025 28 Jan Morning Shift

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