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Speed of sound

Quiz by smitharagesh

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5 questions
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  • Q1
    In which of following, speed of sound is least?
    solid
    liquid
    vaccum
    Air
    10s
  • Q2
    Astronauts use radios to communicate, this is because
    sound energy turns into light in vacuum
    sound does not travel in vacuum
    sound energy in the vacuum may burst the eardrums
    sound travels at very high speed in vacuum
    10s
  • Q3
    The speed of sound depends on
    properties of the medium
    wavelength
    frequency
    amplitude
    10s
  • Q4
    The SI unit of speed of sound is
    decibel
    Hertz
    minutes
    m/s
    10s
  • Q5
    If A is a liquid ,B is a solid and C is a gas, Which among the following correctly represents the decreasing order of speed of sound
    C>B>A
    A>B>C
    B> A>C
    none of these
    10s

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