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Are the magnitude of average speed and a...

Are the magnitude of average speed and average velocity equal?

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What is numeric ratio of average speed to average velocity ?

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Knowledge Check

  • Average speed is equal to :

    A
    0.9813 rms speed
    B
    0.9 rms speed
    C
    0.9213 rms speed
    D
    0.9602 rms speed

  • Three molecules have velocities 0.5 km/s, 1 km/s and 2 km/s. The ratio of their r.m.s. velocities and average velocity is

    A
    1
    B
    1.323
    C
    1.167
    D
    1.133

  • The average speed of gas molecules is equal to :

    A
    `[(2RT)/(M)]^(1/2)`
    B
    `[(3RT)/(M)]^(1/2)`
    C
    `[(8RT)/(piM)]^(1/2)`
    D
    `[(4RT)/(piM)]^(1/2)`

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