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Speed of light in SI system is 3xx10^8 m...

Speed of light in SI system is `3xx10^8` m/s. What is the speed of light in a new system of units in which unit of length is x km and unit of time is Y millisecond?

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The correct Answer is:
`3xx10^2 Y/x`units
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Knowledge Check

  • The SI (international system of units) unit of length is ________

    A
    metre
    B
    centimetre
    C
    millimetre
    D
    kilometre

  • The SI (international system of units) unit of length is ________

    A
    metre
    B
    centimetre
    C
    millimetre
    D
    kilometre

  • In CGS system of units, the density of a material is 4 g cm^(-3) . What will be the value of the density of the material in a system of units in which unit of length is 10 cm and unit of mass is 100 g ?

    A
    0.04
    B
    0.4
    C
    40
    D
    400

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    The speed of light in air is 3 xx 10^(8) m/s. The velocity of light in the medium of refractive index 1.5 will be

    Which of the following systems of units is not based on units of mass, length and time alone?

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