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Light is an electromagnetic wave. Its sp...

Light is an electromagnetic wave. Its speed in vacuum is given by the expression

A

`sqrt(mu_(0)epsilon_(0))`

B

`sqrt((mu_(0))/(epsilon_(0)))`

C

`sqrt((epsilon_(0))/(mu_(0)))`

D

`sqrt((1)/(mu_(0)epsilon_(0)))`

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Knowledge Check

  • Light is an electromagnetic wave. Its peed in vacuum is given by the expression

    A
    `sqrt((mu_(0).in_(0))`
    B
    `sqrt((mu_(0))/(in_(0)))`
    C
    `sqrt((in_(0))/(mu_(0)))`
    D
    `(1)/(sqrt(mu_(0)in_(0)))`

  • Total energy of density of electromagnetic waves in vacuum is given by the relation

    A
    `1/2.(E^(2))/(epsi_(0)) + (B^(2))/(2mu_(0))`
    B
    `1/(2)epsi_(0)E^(2) + 1/2mu_(0)B^(2)`
    C
    `(E^(2) + B^(2))/(c)`
    D
    `(1)/(2) epsi_(0)E^(2) + (B^(2))/(2mu_(0))`

  • The velocity of electromegnetic waves in vacuum is given by :

    A
    `sqrt(mu_(0)epsi_(0))`
    B
    `sqrt(mu_(0)//epsi_(0))`
    C
    `sqrt(epsi_(0)//mu_(0))`
    D
    `1//sqrt(mu_(0) epsi_(0))`

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